The domain of the square root function is x greater-than-or-equal-to 0, since the function is defined for all non-negative x-values or x-values greater than or equal to zero.
The domain of the square root function graphed below can be determined by looking at the x-values of the points on the graph.
From the given information, we can see that the curve starts at (0, -1) and goes through (1, -2) and (4, -3).
The x-values of these points are 0, 1, and 4.
Since the square root function is defined for any non-negative x-values or x-values more than or equal to zero, its domain is x greater-than-or-equal-to 0.
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Cual es el perímetro de un rectángulo si tiene 20 de largo y 11 de ancho?
The perimeter of the rectangle is 62 square units.
How to find the perimeter of a rectangle?The perimeter of a rectangle can be calculated using the formula:
P = 2(L + W)
Where:
L is the length of the rectangle
W is the width of the rectangle
We have:
L = 20 units
W = 11 units
Substituting into the formula:
P = 2(20 + 11)
P = 2(31)
P = 62 square units
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Question in English
What is the perimeter of a rectangle if it is 20 long and 11 wide?
Consider rectangle EFGH. Prove EG is congruent to HF
Solve y = 3x2 + 6x + 4
y = −3x2 + 4
show all work
Ill give brainliest
Hello!
3x² + 6x + 4 = -3x² + 4
6x² + 6x = 0
6x(x + 1) = 0
6x = 0 x + 1 = 0
x = 0 x = -1
If 12,6cm on the map is equal to 1263 km in real life ,determine the unit scale of the map
Answer:
[tex]\frac{0.01\text{cm}}{1\text{km}}[/tex]
Step-by-step explanation:
[tex]\displaystyle \frac{12.6\text{cm}}{1263\text{km}}\approx\frac{0.01\text{cm}}{1\text{km}}[/tex]
Using the Empirical Rule, approximate the following percentages for Parts A - E.
The distribution of weights of newborn babies in one region is bell-shaped with a mean of 3000 grams and standard deviation of 500 grams. For all questions below, show all relevant work.
Part A :Approximately, what percentage of newborn babies weigh more than 3000 grams?
Part B : Approximately, what percentage of newborn babies weigh more than 2000 grams?
Part C : Approximately, what percentage of newborn babies weigh less than 4000 grams?
Part D : Approximately, what percentage of newborn babies weigh between 2000 and 4000 grams?
Part E : What is the range of birth weights that would contain the middle 68% of newborn babies' weights?
Part A: Approximately 50% of newborn babies weigh more than 3000 grams. Part B: Approximately 84.13% of newborn babies weigh more than 2000 grams. Part C: Approximately 84.13% of newborn babies weigh less than 4000 grams. Part D: Approximately 68% of newborn babies weigh between 2000 and 4000 grams. Part E: The range of birth weights that would contain the middle 68% of newborn babies' weights is from 2500 grams to 3500 grams.
1: Calculate the Z-scores for the given weights using the formula: Z = (X - μ) / σ, where X is the value, μ is the mean, and σ is the standard deviation.
For Part A:
Z = (3000 - 3000) / 500 = 0
Using the Z-table, we find that the percentage of babies weighing more than 3000 grams is approximately 50%.
For Part B:
Z = (2000 - 3000) / 500 = -2
Using the Z-table, we find that the percentage of babies weighing more than 2000 grams is approximately 97.72%. Since we want the percentage of babies weighing more than 2000 grams, we subtract this value from 100% to get approximately 2.28%.
For Part C:
Z = (4000 - 3000) / 500 = 2
Using the Z-table, we find that the percentage of babies weighing less than 4000 grams is approximately 97.72%.
For Part D:
To find the percentage of babies weighing between 2000 and 4000 grams, we subtract the percentage of babies weighing more than 2000 grams from the percentage of babies weighing less than 4000 grams.
Approximately 97.72% - 2.28% = 95.44%
For Part E:
Since the Empirical Rule states that approximately 68% of the data falls within one standard deviation of the mean, we need to find the weights that correspond to the boundaries of this range.
The lower boundary would be the mean minus one standard deviation: 3000 - 500 = 2500 grams.
The upper boundary would be the mean plus one standard deviation: 3000 + 500 = 3500 grams.
Therefore, the range of birth weights that would contain the middle 68% of newborn babies' weights is from 2500 grams to 3500 grams.
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Calculate for the following day of a weekly time card given a wage of $11/hr.
Morning
In - 8:00
Out - 12:15
Afternoon
In - 13:00
Out - 17:15
Pay = $ [?]
Answer:
influence of a business invironment
What would your location need to produce each hour if
$78,000 per year and be open 100 hours each week?
Click here to enter text. ÷ Click here to enter text. = Cli
Click here to enter text. Click here to enter text. = Clic
Click here to enter text. + a 10% profit margin = Click her
Click here to enter text. = what you would need to produ
an of Gross Sonice Income
The location would need to produce $16.50 per hour to achieve a revenue of $78,000 per year, be open 100 hours each week, and maintain a 10% profit margin.
To calculate the production needed per hour, we'll follow these steps:
Determine the weekly revenue:
The annual revenue is given as $78,000. To calculate the weekly revenue, we divide it by the number of weeks in a year:
$78,000 / 52 weeks = $1,500 per week.
Calculate the revenue per hour:
To find the revenue per hour, we divide the weekly revenue by the number of hours the location is open per week:
$1,500 / 100 hours = $15 per hour.
Calculate the production needed per hour:
Now that we know the revenue per hour, we can calculate the production needed per hour. Since the profit margin is not mentioned, we'll assume it is 10% (as given in the question):
Revenue per hour + 10% profit margin = Production needed per hour
$15 + (10% of $15) = $15 + $1.50 = $16.50
Therefore, the location would need to produce $16.50 per hour to achieve a revenue of $78,000 per year, be open 100 hours each week, and maintain a 10% profit margin.
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SOMEONE ANYONE PLEASE HELP!!!
The graph of g(x) is obtained from the graph of f(x) by the following transformations:
- A horizontal stretch by a factor of 9. This is because the graph of g(x) is 9 times wider than the graph of f(x).
- A vertical translation down by 2 units. This is because the graph of g(x) is 2 units lower than the graph of f(x).
In other words, to obtain the graph of g(x) from the graph of f(x), we stretch the graph horizontally by a factor of 9 and then translate it down by 2 units.
Here is a more detailed explanation of the transformations:
- Horizontal stretch by a factor of 9: To stretch the graph horizontally by a factor of 9, we multiply all of the x-coordinates by 9. This means that every point on the graph of f(x) will be moved 9 units to the right on the graph of g(x).
- Vertical translation down by 2 units: To translate the graph down by 2 units, we subtract 2 from all of the y-coordinates. This means that every point on the graph of f(x) will be moved 2 units down on the graph of g(x).
y bank statement sent by the bank to ABC company shows a balance of cash on deposit at July 31 of Br.4,964.47 Assume that on July 31, assume the on July 31, ABCs ledger shows a bank balance of Br. 4 173. 83. 1. A deposit of Br 410. 90 made after banking hours and doesnt appear in the bank statement2. A check drawn for Br. 79 had been erroneously charged by the bank Br.973. For checks issued in July have not yet been paid by the bank (outstanding checks). : Theses checks are;- Check No date amount 801 June 15 ---Br.100,00 888 July 24 ----Br. 10.25 890 July 27--- Br. 294.50 891 July 30 ---Br. 205.004. A check written for birr 210 had been incorrectly charged by the bank as birr 120 5. Proceeds from collection of a interest bearing note receivable from David. ABC Company had left this note with the banks collection department. The face amount of the note was birr 500 6. Br. 24.75 interest earned on average account balance during July7. A check for Br. 10 returned with the statement had been recorded in the check register as Br. 100. The check was for the payment of an obligation to Davis Equipment Company for the purchase of office supplies on account 8. Br. 5,00 fee charged by bank for handling collection of note receivable 9. Br. 50.25 check from customer John deposited by ABC company charged bank as Non sufficient fund (NSF) 10. Br. 12.70 service charged by bank for the month of July. 11. Check number 875 was issued July 20 in the amount of Br 85 but was erroneously recorded in the cash payment Journal as Br 58 for payment of telephone expens prepare bank reconcilation
The adjusted bank balance after reconciling is Br. 5,224.42.
How the bank reconciliation will be prepared?To prepare the bank reconciliation, we have to analyze the differences between the bank statement balance and the company's ledger balance.
Details
Bank statement balance of Br. 4,964.47 at July 31.
Add: Deposit made after banking hours Br. 410.90
New balance: Br. 5,375.37.
Deduct Erroneously charged check of Br. 79
New balance Br. 5,296.37.
Deduct Outstanding checks:
Check No. 801 of Br. 100.00 (issued on June 15).
Check No. 888 of Br. 10.25 (issued on July 24).
Check No. 890 of Br. 294.50 (issued on July 27).
Check No. 891 of Br. 205.00 (issued on July 30).
Total outstanding checks: Br. 609.75.
New balance: Br. 4,686.62.
Deduct: Incorrectly charged amount of Br. 120.
Add: Correct amount of Br. 210.
Add: Proceeds from the collection Br. 500.
Add: Interest earned on the account balance Br. 24.75.
Deduct: Returned check of Br. 10
Deduct: Fee charged by the bank for handling the collection Br. 5.00.
Deduct: Check from customer John Br. 50.25.
Deduct the service charge by the bank for the month of July of Br. 12.70.
New balance: Br. 5,224.42.
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cample I in an examination, the percentage manes scored
22-IT
by 50 students were as follows!!!
53 70 80 34
TT 62 77 94 92 66
56 52 67 51 43 89 85 81 63 85
39
60
57
47 51
6227 72
62 84 74 51 71 43
70 40 35 42 66 27 24
59 51 87 45
72 71
42 53 55
4. Prepare a frequency distribution table taking
class interual 21-30 31-40 etc.
b. Prepare the mean, mode, median and range of
the distribution
97
C. Represent the abau data on histogram and use i-
to estimate the mode!
The mode is estimated to be in the interval 61-70, as it has the highest frequency.
To prepare a frequency distribution table for the given data, we will group the scores into class intervals. The class intervals will be 21-30, 31-40, 41-50, and so on. Then, we will count the frequency of scores falling within each interval.
Class Interval Frequency
21-30 0
31-40 4
41-50 10
51-60 9
61-70 13
71-80 8
81-90 7
91-100 0
Now, let's calculate the measures of central tendency and range.
Mean: To find the mean, we will sum up all the scores and divide by the total number of scores. In this case, there are 50 scores.
Mean = (53 + 70 + 80 + ... + 71 + 43) / 50
Mode: The mode is the score that appears most frequently. In this case, the mode is the interval with the highest frequency, which is 61-70.
Median: The median is the middle score when the data is arranged in ascending order. Since there are 50 scores, the median will be the average of the 25th and 26th scores.
Range: The range is the difference between the highest and lowest scores. The highest score is 97, and the lowest score is 24.
To represent the data on a histogram, we will use the class intervals on the x-axis and the frequency on the y-axis. Each interval will be represented by a bar with a height corresponding to its frequency.
Based on the given data, the mode is estimated to be in the interval 61-70, as it has the highest frequency.
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Please help!! I don’t understand what to do
Answer:
y = x^2 + 6x +7
y=-x+1
Step-by-step explanation:
To answer this question, we need to find the equation for the line and for the parabola. So, let's do just that!
Line:
The line has a slope of -1 and and y-intercept of 1. This means that the equation for the line is y=-x+1.
Parabola:
To find the vertex form of a parabola, we must first find the vertex form of a parabola. The vertex form of a parabola is y=a(x-h)^2+k, where the vertex is (h,k). Since the vertex of the parabola is (-3,-2), h=-3 and k=-2. Let's plug these values into the vertex form of a parabola.
y=a(x-h)^2+k
y=a(x-(-3))^2+(-2)
y=a(x+3)^2-2
We're not done yet, though, as we still need to find the value of a. To do this, we will take one of the points on the parabola and plug it into the equation. I will be using the point (-1,2).
y=a(x+3)^2-2 [Plug in x and y values]
2=a((-1)+3)^2-2 [Simplify]
2=a(2)^2-2 [Simplify]
2=4a-2 [Add 2 to both sides]
4=4a [Divide both sides by 4]
a=1
Now, we know that the equation of our parabola in vertex form is y=(x+3)^2-2. This isn't what the problem is asking for, though. Instead, they want the standard form of the parabola. To do this, we will need to expand y=(x+3)^2-2.
y=(x+3)^2-2
y=x^2 + 6x + 9 -2
y = x^2 + 6x +7
If this answer helped you, please leave a thanks!
Have a GREAT day!!!
Can I get a bit of assistance with this problem?
Answer:
Area = 30 inches
Step-by-step explanation:
The world's largest ocean, the Pacific Ocean, has an area of about 200,000,000 km2, which can be written as 2×10 km². What is n? 9 8 -8 -9
In this case, n = 8, and the expression 2×10^8 km² represents the area of the Pacific Ocean, which is approximately 200,000,000 km².
In the given expression 2×10 km², we have the base number 10 raised to an unknown exponent represented by "n." This exponential notation is a way to express large numbers conveniently.
Since the area of the Pacific Ocean is stated as 200,000,000 km², which can be written as 2×10^8 km², we can determine that "n" must be equal to 8. This is because the exponent indicates the number of times the base (10) is multiplied by itself.
Therefore, in this case, n = 8, and the expression 2×10^8 km² represents the area of the Pacific Ocean, which is approximately 200,000,000 km².
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Which statement about rectangles is true?
1. Only some rectangles are parallelograms.
2. Parallelograms have exactly 1 pair of parallel sides.
3. So, only some rectangles have exactly 1 pair of parallel sides.
1. All rectangles are parallelograms.
2. Parallelograms have 2 pairs of parallel sides.
3. So, all rectangles have 2 pairs of parallel sides.
1. Only some rectangles are parallelograms.
2. Parallelograms have 2 pairs of parallel sides.
3. So, only some rectangles have 2 pairs of parallel sides.
1. All rectangles are parallelograms.
2. Parallelograms have exactly 1 pair of parallel sides.
3. So, all rectangles have exactly 1 pair of parallel sides.
The correct statement is:
Only some rectangles are parallelograms.
Parallelograms have 2 pairs of parallel sides.
The only rectangles with exactly one pair of parallel sides are some of them.
This statement is true. A quadrilateral having opposing sides that are parallel is known as a parallelogram. In the case of a rectangle, all four angles are right angles, and opposite sides are equal in length. Therefore, a rectangle can be considered a special type of parallelogram.
However, not all parallelograms are rectangles because parallelograms can have angles that are not right angles.
So, while all rectangles are parallelograms, not all parallelograms are rectangles. Thus, only some rectangles have two pairs of parallel sides.
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Graphing Linear Inequalities and Systems of Linear Inequalities in Real-World Situations - Item 7607Question 1 of 7
Which inequality describes the graph?
On a coordinate plane, a line goes through (0, negative 2) and (2, 2). Everything to the left of the line is shaded.
CLEAR CHECK
y≥−2+2x
y–2≥−2x
y≤2x–2
y>2x–2
NEXT
CLOSE
Reference
calculator
formulas
glossary
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Language
Changes the language of the audio snippets and the glossary
ENGLISH
The correct inequality that describes the graph is y ≤ 2x - 2.
To determine the inequality that describes the graph of the line passing through the points (0, -2) and (2, 2), we can use the slope-intercept form of a linear equation: y = mx + b, where m represents the slope and b represents the y-intercept.
Calculate the slope (m) of the line:
m = (change in y) / (change in x)
m = (2 - (-2)) / (2 - 0)
m = 4 / 2
m = 2
Determine the y-intercept (b) using one of the given points:
Using the point (0, -2):
y = mx + b
-2 = 2(0) + b
-2 = b
So, the equation of the line is y = 2x - 2.
Now, to represent the shaded region to the left of the line on the coordinate plane, we need to determine the correct inequality. The inequality symbol depends on whether the shaded region includes the line or not.
Since the shading includes the line, we need to use the less than or equal to (≤) symbol, which gives us:
y ≤ 2x - 2
Therefore, the correct inequality that describes the graph is y ≤ 2x - 2.
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Question 10 of 10
-3
IN
TT
H
1234567
-1
-4
-5
-6
Mark all of the statements that are true.
A. The range for this function is the set (-5).
B. The domain for this function is the set (-5).
C. The domain for this function is all real numbers.
D. All real numbers are in the range of this function.
E. This graph is not a function because the value of y is the same for
every value of x.
Answer:
Introduction of a business invironment
Henry set a model rocket from the roof of a building. The height of the rocket as a function of Time is shown in the graph. How many seconds was the rocket in the air.
The rocket was in the air for approximately 8 seconds.
1. Look at the graph provided to determine the height of the rocket as a function of time.
2. Identify the point where the rocket takes off from the roof of the building. This is where the height is zero.
3. Follow the curve on the graph until it intersects the x-axis again. This point represents the time when the rocket lands back on the ground.
4. Measure the horizontal distance between the takeoff and landing points on the x-axis.
5. Each unit on the x-axis represents a certain time interval. Determine the value of each unit on the x-axis based on the graph's scale or information provided.
6. Multiply the number of units between the takeoff and landing points by the value of each unit to find the total time the rocket was in the air.
7. Convert the units, if necessary, to ensure the final answer is given in seconds.
In this case, based on the graph, the rocket took off at t=0 seconds and landed at approximately t=8 seconds. Therefore, the rocket was in the air for approximately 8 seconds.
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What type of association does the graph show?
A. positive nonlinear
B. positive linear
C. negative nonlinear
D. negative linear
The scatter plot shows (b) [positive linear] association.
How to determine the association of the scatterplotFrom the question, we have the following parameters that can be used in our computation:
The image of the scatter plot
On the scatter plot, we can see that
The points appear to be on a straight line
Also, we can see that
As the x values increases the y values increases
This represents a [positive linear] association.
Hence, the association is a [positive linear] association.
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How do I solve this?
Answer:
[tex]x=9\\y=41\\m\angle EBF = 56^\circ[/tex]
Step-by-step explanation:
Finding x is not too bad since it's clear that [tex]\angle ABD[/tex] and [tex]\angle DBC[/tex] are complementary angles, which add up to 90°:
[tex]m\angle ABD+m\angle DBC=90^\circ\\(3x+7)^\circ+(5x+11)^\circ=90^\circ\\3x+7+5x+11=90\\8x+18=90\\8x=72\\x=9[/tex]
Given we now know the value of x, we can use that information to solve for y by recognizing that [tex]\angle DBC[/tex] and [tex]\angle FBC[/tex] are supplementary angles, which add up to 180°:
[tex]m\angle DBC+m\angle FBC=180^\circ\\(5x+11)^\circ+(3y+1)^\circ=180^\circ\\5x+11+3y+1=180\\5(9)+11+3y+1=180\\45+11+3y+1=180\\3y+57=180\\3y=123\\y=41[/tex]
Lastly, we can figure out [tex]m\angle EBF[/tex] since both that and [tex]\angle DBC[/tex] are vertical angles, meaning they have the same angle measure. Since [tex]m\angle DBC=(5(9)+11)^\circ=(45+11)^\circ=56^\circ[/tex], then [tex]m\angle EBF=56^\circ[/tex] as well.
I hope this helped! Feel free to comment below if I need to expand on anything that you may have not understood.
7/8*3/7+7/8*(-4/21) + (-5/24)
Answer:
To evaluate the expression, 7/8*3/7+7/8*(-4/21) + (-5/24), we can follow the order of operations which is also known as PEMDAS.
PEMDAS stands for Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction. It tells us the order in which we need to perform the operations.Let's solve the given expression:7/8 * 3/7 = (7 * 3) / (8 * 7) = 21 / 56 = 3 / 8 7/8 * (-4/21) = (7 * -4) / (8 * 21) = -28 / 168 = -1 / 6Adding the above two results and subtracting (-5/24) from it, we get: (3/8) + (-1/6) - (5/24) = (9/24) - (4/24) - (5/24) = 0/24 = 0Therefore, the value of the expression 7/8*3/7+7/8*(-4/21) + (-5/24) is 0.
Step-by-step explanation:
what is the equation for this table!?
it looks like the rule is adding by 4 like y=6x
y=6x ,y=6x-6,y=6x-10 then so on
6+4=10 then 10+4= 14
A manufacturer determines that x units of a particular item will be sold when the price is p left parenthesis x right parenthesis equals 9000 space e to the power of negative 0.1 x end exponent dollars per unit. What is the approximate revenue in dollars, which is obtained from selling the 7th unit of this product?
The approximate revenue obtained from selling the 7th unit of this product is $24,387.93.
To find the revenue from selling the 7th unit, we first need to determine the price at which the 7th unit will be sold. We can do this by substituting x = 7 in the given price function:
p(7) = 9000e^(-0.1*7) = 9000e^(-0.7) = 3483.99
Therefore, the price at which the 7th unit will be sold is approximately $3,483.99.
Now we can calculate the revenue obtained from the sale of the 7th unit as the product of the price and the quantity:
Revenue = 7 * 3483.99 = $24,387.93
Thus, the approximate revenue obtained from selling the 7th unit of this product is $24,387.93.
It is important to note that the given price function is an example of an exponential decay function, which is often used to model situations where the demand for a product decreases as the price increases. In this case, the function shows that as the price increases, the quantity demanded decreases at an accelerating rate (-0.1 is the rate of decay). The revenue function can be derived as the product of the price and the quantity, and the revenue can be maximized by finding the price that will result in the highest quantity of units sold. However, in this problem, we were given the quantity and asked to find the revenue, so we simply used the price function to determine the price of the 7th unit and multiplied it by 7 to find the revenue.
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how to draw the 6th term .
To draw the 6th term, represent it visually within the context of the pattern or sequence from which it is derived.
To draw the 6th term, we need to understand the context or pattern from which the term is derived.
Drawing the term usually involves representing the elements or characteristics of the pattern in a visual form.
Without specific information about the pattern, we can provide a general approach to drawing the 6th term.
Identify the Pattern:
Determine the sequence or pattern from which the 6th term is derived.
It could be a numerical sequence, a geometric pattern, or any other pattern.
For example, if the pattern is a number sequence of multiples of 3, the first few terms would be 3, 6, 9, 12, 15, and so on.
Visualize the Pattern: Based on the identified pattern, visualize how the elements change or progress from term to term.
This could involve drawing a diagram, a graph, or any visual representation that captures the pattern.
Consider using a coordinate grid, a number line, or any other suitable visual aid.
Locate the 6th Term:
Use the information from the pattern and the visualization to determine the specific position or value of the 6th term.
In our example of multiples of 3, the 6th term would be 18.
Draw the 6th Term: Finally, represent the 6th term in your chosen visual form.
This could mean marking the position on a number line, plotting a point on a graph, or incorporating the value into a diagram.
Note that the specific method of drawing the 6th term will depend on the nature of the pattern and the context in which it is given.
Providing more details about the pattern would allow for a more accurate and specific visual representation of the 6th term.
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Select the correct answer.
Each statement describes a transformation of the graph of f(x) = x. Which statement correctly describes the graph of g(x) if g(x) = f(x - 11)?
A. It is the graph of f(x) where the slope is increased by 11.
It is the graph of f(x) translated 11 units to the left.
It is the graph of f(x) translated 11 units up.
It is the graph of f(x) translated 11 units to the right.
B.
C.
OD.
The correct answer is C. It is the graph of f(x) translated 11 units to the left.
The correct answer is:
C. It is the graph of f(x) translated 11 units to the left.
When we have a function of the form g(x) = f(x - a), it represents a horizontal translation of the graph of f(x) by 'a' units to the right if 'a' is positive and to the left if 'a' is negative.
In this case, g(x) = f(x - 11), which means that the graph of f(x) is being translated 11 units to the right. However, the answer options do not include this specific transformation. The closest option is option C, which states that the graph of g(x) is translated 11 units to the left.
The graph of f(x) = x is a straight line passing through the origin with a slope of 1. If we apply the transformation g(x) = f(x - 11), it means that we are shifting the graph of f(x) 11 units to the right. This results in a new function g(x) that has the same shape and slope as f(x), but is shifted to the right by 11 units.
Therefore, the correct answer is C. It is the graph of f(x) translated 11 units to the left.
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If a store marks up merchandise by 40% on cost, what is the markup in dollars on an item costing $80?
Solve the system of equations using any method. Describe the method used.
Step-by-step explanation:
we can take any number we wish and do as following
am I right for part A. And please help me with B
a) The radius of the sphere is given as follows: 27.13 ft.
b) The surface area can be checked as follows: S = 4 x 3.14 x 27.13² = 9244.
How to obtain the surface area?The surface area for a sphere of radius r is given by the equation presented as follows:
S = 4πr².
The surface area for this problem is given as follows:
9244 ft².
Hence the radius is given as follows:
[tex]r = \sqrt{\frac{9244}{4 \times 3.14}}[/tex]
r = 27.13 ft.
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Functions f, g, and h are shown on the graph.
Two nonlinear functions f vertex at (1, 6) and intercepts the y-axis at 5 units and h vertex at (6, 6) and intercepts the x-axis at 3.5 and 8.5 units. A linear function g passes diagonally with the interception of (0, 0).
Which of these functions have a domain of all real numbers?
A.
functions f and g only
B.
functions g and h only
C.
function f only
D.
functions f, g, and h
All three functions, f, g, and h, have domains of all real numbers irrespective of their intercepts and vertices as their forms, quadratic and linear, inherently allow for all real numbers in their domains.
Explanation:The domain of a function refers to all possible x-values. Functions f and h are nonlinear functions, specifically quadratic functions. The domain of a quadratic function is all real numbers, regardless of the location of the vertex or the x-intercepts. The function g is a linear function passing through the origin (0, 0). The domain of a linear function is also all real numbers as there are no restrictions on the x-values. Therefore, all three functions, f, g, and h, have a domain of all real numbers.
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Given: HJ=x+10 , JK=9x , and KH=14x−58 Find: x , HJ , and JK
When x is less than 17, the values of x, HJ, and JK are x = 17, HJ = 27, and JK = 153.
To find the values of x, HJ, and JK, we need to use the given information and solve the equations provided.
Given: HJ = x + 10, JK = 9x, and KH = 14x - 58.
Since HJ and JK are the lengths of line segments in a triangle, we can use the triangle inequality theorem to find the relationship between these lengths:
HJ + JK > KH (Sum of two sides of a triangle is greater than the third side)
Substituting the given values into the inequality, we have:
(x + 10) + 9x > 14x - 58
Combining like terms, we get:
10x + 10 > 14x - 58
Subtracting 10x from both sides, we have:
10 > 4x - 58
Adding 58 to both sides, we get:
68 > 4x
Dividing both sides by 4, we find:
17 > x
So we have determined that x is less than 17.
Now let's substitute this value of x into the given equations to find the lengths of HJ and JK.
HJ = x + 10
HJ = 17 + 10
HJ = 27
JK = 9x
JK = 9(17)
JK = 153
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Recursive Form:
an=an−1⋅2
a1=2
Common Ratio: r=
First Term: a1=
Explicit Formula: an=
(
)n−1
Answer:4
Step-by-step explanation:
The required explicit formula for the given geometric sequence is aₙ = (aₙ₋₁) * 2⁽ⁿ⁻¹⁾.
The recursive form is given as:
aₙ = aₙ₋₁ * 2
a₁ = 2
To find the common ratio, we can divide each term by its preceding term:
r = aₙ / aₙ₋₁
As per the question, r = 2, since each term is obtained by multiplying the previous term by 2.
The first term, a₁, is given as 2.
To express the sequence in explicit formula form, we can rewrite the recursive form using the index n:
aₙ = (aₙ₋₁) * 2
By substituting (n-1) for the index, we get:
aₙ = (aₙ₋₁) * 2
Hence, the explicit formula is aₙ = (aₙ₋₁) * 2⁽ⁿ⁻¹⁾.
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