This is the graph of f(x). What is the value of f(2)?10 УA. 6ОВ. 2С. 5ООD. 9

This Is The Graph Of F(x). What Is The Value Of F(2)?10 A. 6. 2. 5D. 9

Answers

Answer 1

To solve this problem we must take into account that the y-axis has intervals of 2 units length, and the x-axis has intervals of 1 unit length. We want to know the value of the function when x = 2, so we look for that value of x in the x-axis, we trace a vertical line from x = 2 to the curve that represents the function, and then a horizontal line to the y-axis, and we read the value of y:

Answer: D. 9

This Is The Graph Of F(x). What Is The Value Of F(2)?10 A. 6. 2. 5D. 9

Related Questions

the equation y=12.7x+15.2 estimates the amount that businesses will spend, in billions of dollars, on internet software to conduct transactions via the web, where x is the number of years after 2002. for what years will the spending be more than $66 billion?

Answers

The years when the spending be more than $66 billion is in 4 years time.

What is an equation?

A mathematical equation is the statement that illustrates that the variables given. In this case, two or more components are taken into consideration to describe the scenario.

The equation is given as y=12.7x+15.2 and the amount is $66 billion. Therefore, the value of x will be:

y=12.7x+15.2

66 = 12.7x + 15.2

Collect like terms

12.7x = 66 - 15.2

12.7x = 50.8

Divide

x = 50.8 / 12.7

x = 4

The number of years is 4.

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Write an equation of the line that passes through the given point and has the given slope. (−5, 4); slope −3

Answers

Answer:

y = -3x - 11

Step-by-step explanation:

Slope = -3

so...

-3x

y = -3x + (b)

given : (-5, 4) x=-5 y=4

4 = -3(-5) + b

4 = 15 + b

b = -11

so...

y = -3x - 11

Ali takes out a loan to pay for a new sound system. The sound system costs
R7 700 and interest on the loan is 11 % simple interest per year.
If Ali repays the loan in a lump sum after 3 years, how much must he pay?

Answers

Using Simple Interest, Ali has to pay 10241 after 3 years.

What is simple interest?

Simple interest is the interest that is accrued at a specific rate and for a specific length of time on a particular principal. It is based on a loan's principal or the initial deposit into a savings account. Simple interest doesn't compound, therefore a creditor will only charge interest on the principal sum, and a borrower will never be required to pay further interest on the interest that has already accrued. Consider making a $100 (the principal) investment at a 5% yearly rate for a year. To calculate simple interest, multiply $100 by.05 interest per year to get $5 after a year.

If P is the principal, r is the rate, t is the time

SI = [tex]\frac{P \times r \times t}{100}[/tex]

Here,

Cost of sound system = 7700

Rate  = 11 %

Time = 3years

SI = [tex]\frac{7700 \times 11 \times 3}{100}[/tex]

  = 2541

Amount Ali has to pay after 3 year = 7700 + 2541

                                                        = 10241

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Rational Expressions
a) The area of a rectangle is x - (16/x). The width is (x/4) + 1. Find an expression to represent the length
b) The volume of a rectangular prism is (7/x) - (3/5x). The width is 2/x and the hight is 4/x, what is the length?

Answers

(a) The expression to represent the length of the rectangle is

h = (x-16/x)/(x/4+1).

(b) The length of the rectangular prism is L = ((7/x)-(3/5x))/(2/x)(4/x).

What is a rectangle?

A rectangle is a quadrilateral with all four interior angles measures of 90°.

(a) Given that, the area of the rectangle is x-16/x and its width is x/4 +1.

Let the length of the rectangle be h, then it follows:

h×(x/4 + 1) = x - 16/x

h = (x-16/x)/(x/4+1)

Hence, the expression to represent the length of the rectangle is

h = (x-16/x)/(x/4+1).

(b) Given that, the volume of the rectangular prism is (7/x)-(3/5x), the width is 2/x, and the height is 4/x.

Let the length of the rectangular prism be L, then it follows:

L× (2/x) ×(4/x) = (7/x)-(3/5x)

L = ((7/x)-(3/5x))/(2/x)(4/x)

Hence, the length of the rectangular prism is L = ((7/x)-(3/5x))/(2/x)(4/x).

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A calculator displays 3.687E

6. How do you write 3.687E

6 in standard form?

Answers

The expression of the calculator form 3.687E in standard form is; 3.687 × 10¹

How to display a number in standard form?

A standard form of a number in Math's is simply the representation of large numbers or small numbers using exponents to represent such numbers in standard form.

The correct definition of standard form can be explained in terms of decimal numbers that follows particular rules. We know that decimal numbers are the simplified form of fractions.

Thus, any number that can be written in form of a decimal number, between 1 and 10, multiplied by a power of 10, is said to be in standard form.

Thus, 3.687E simply means;

3.687 × 10¹

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Please help, thank you to who ever does

Answers

Answer:

-6

Step-by-step explanation:

What is the terms of 2x+9+7x

Answers

The result of the expression 2x+9+7x is 9x+9

The expression is 2x+9+7x

To solve this expression, first we have to rearrange the terms and do the arithmetic operations in the expression.

Expressions is the mathematical statements that have a minimum of two terms containing numbers or variables, connected by an operator in between. The operator maybe addition, subtraction, division or multiplication. To  solve the mathematical expression we have to do the arithmetic operation on like terms.

The expression is 2x+9+7x

Rearrange the terms in the expression

= 2x+7x+9

Add the like terms in the expression

= (2+7)x+9

= 9x+9

Hence, the result of the expression 2x+9+7x is 9x+9

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the smallest score in a population is x = 5 and the largest score is x = 10. based on this information, you can conclude that the____.

Answers

Based on the information that the smallest score in a population is x=5, and the largest score is x=10, the conclusion is that the standard  deviation is going to be smaller than the range of scores.

Given that in a population, the smallest score is x=5, and largest score is x=10, the range of scores is:

Range of scores=largest score-lowest score

                          =10-5

                           =5

Here the range of scores is 5, and the mean of the scores is likely to be between 5 and 10

Standard deviation which refers to the average spread of the distribution,  will now be considered to be smaller since the range of scores is low.

Because standard deviation is found from the mean, if the mean is between x=5 and x=10, the standard deviation must be lower than x=5.

Hence, smaller than the range of scores.

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Arrange the terms of the polynomial in descending Then, determine the degree of
the polynomial, and name the polynomial by the number of terms.
5x 17X² + 22x

Answers

The terms of the polynomial, which has a degree of 2, are ordered as follows in decreasing order: 17x² + 27x

What in mathematics is a polynomial?

Sums of terms of the form  k⋅xⁿ where k is any number and n is a positive integer, make up polynomials. For instance, the polynomial 3x+2x-5.

How should a polynomial be organized?Typically, polynomials are set up in one of two ways. Basically, ascending order is when a term's strength grows with each consecutive term. In essence, descending order occurs when a term's power declines with each consecutive term.

Given polynomial: 5x + 17x² + 22x

We need to simplify this polynomial first.

5x + 17x² + 22x = 27x + 17x²

Now we will put the term with highest degree first and arrange the terms of this polynomial.

17x² + 27x

Since, the highest power of terms in this polynomial is 2.

We can say that the degree of polynomial is 2.

Therefore, the polynomial has a degree of 2 and its terms are arranged in decreasing order as follows: 17x² + 27x.

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Divide:
945) 8,880
R

Answers

Answer:

about 9.4

Step-by-step explanation:

In triangle ABC, the measure of b is three times larger than the measure of C. The measure of A is twice as large as the measure of C. The sum of the angles in a triangle is 180°.

Answers

The value of angle a, b and c in the triangle are 60, 90 and 30 degrees respectively and the summation of these angles is equal to 180 degree.

Sum of Angles in Triangle

The total sum of angles in a triangle is equal to 180 degrees.

To solve this problem, we have to write out equations to represent the unknown values.

Let;

a = xb = yc = z

Mathematically,

[tex]a + b + c = 180^0[/tex]

Let's represent each of the statement mathematically;

[tex]y = 3z...eq(i)\\x = 2z ...eq(ii)\\[/tex]

Let's substitute the values and find the value of angle C

[tex]a + b + c = 180\\2z + 3z + z = 180\\6z = 180\\z = 30\\c = 30^0\\b = 90^0\\a = 60^0[/tex]

From the calculations above, the value of a, b and c are 60 degrees, 90 degrees and 30 degrees respectively.

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PLS HELP 70 POINTS PLSSS!!!!!!!!!!!!!! ITS EASY
Circle A has a diameter of 9 cm. Circle B has a radius of 6 cm.

a.) Which circle has the larger circumference? A or B?

b.) About how many centimeters larger is it?
cm larger

(NO PICTURE INCLUDED) (DONT ASK FOR PIC)

Answers

Answer: B

Step-by-step explanation: B is larger by about 9.42 in

Which equation can be simplified to find the inverse of y = 5x² + 10?

Answers

Answer:

y=mx+b its decribe that

One angle measures 170°, and another angle measures (6k + 44)°. If the angles are vertical angles, determine the value of k.

Answers

Answer:

21 = k

Step-by-step explanation:

Vertical angles are equal

170 = 6k+44

Subtract 44 from each side

170-44 = 6k+44-44

126 = 6k

Divide each side by 6

126/6 = 6k/6

21 = k

Which number sentence is true? A. 8.565 < |-13.23| B. 7/8 < 0.78 C. 4/11 < -4.11 D. 23.5 < 2 3/5

Answers

Answer:

A

Step-by-step explanation:

beacuse the rest are false

An angle measures 32.6° more than the measure of its supplementary angle. What is the measure of each angle?

Answers

Answer:

See below

Step-by-step explanation:

Supplementary angles sum to 180 degrees

x  = angle 1

(x+32.6 ) = angle two

x +    (x+32.6)  =180

2x = 180-32.6

x = 73.7       angle 2 = 106.3°

The table of values below shows the amount of water in a watering can and the weight of the can. Based on this information, how much does a gallon of water weigh?

Amount of Water in Can (gallons) Weight of Cans (pounds)
0 2
0.5 6.2
1 10.4
1.5 14.6
2 18.8
A
4.2 pounds

B
6.2 pounds

C
8.4 pounds

D
10.4 pounds

Answers

Each gallon of water weighs by itself is 8.4 pounds, option (C) 8.4 pounds is correct.

What is an arithmetic operation?

It is defined as the operation in which we do the addition of numbers, subtraction, multiplication, and division. It has basic four operators that is +, -, ×, and ÷.

From the data given:

When the Amount of Water in Can (gallons) = 0

Weight of Cans (pounds) = 2

It means the weight of the can = 2 pounds

For the 0.5 gallons, the weight of the can = 6.2 pounds

For the 0.5 gallons, the weight of the water = 6.2 - 2 = 4.2 pounds

For the 1 gallon, the weight of the water = 2x4.2 pounds

= 8.4 pounds

Thus, each gallon of water weighs by itself is 8.4 pounds, option (C) 8.4 pounds is correct.

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solve this problem pls

Answers

It’s the last one I’m pretty sure!

Which equation represents the line shown in the graph below?

Answers

The equation that represents the graphed line is y = -3x + 2. Then the correct option is B.

What is a linear equation?

A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.

The linear equation is given as,

y = mx + c

Where m is the slope of the line and c is the y-intercept of the line.

The kine is passing through (0, 2) and (1, -1). Then the slope of the line is given as,

m = (2 + 1) / (0 - 1)

m = -3

And the y-intercept of the line is 2. Then the equation of the line is given as,

y = -3x + 2

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The complete question is attached below.

A baker's dozen (13) of cupcakes is sold for
$10.14. At this rate, how much does one cupcake
cost?

Answers

Answer:

0.78

Step-by-step explanation:

if divide 10.14 by 13 it will be 0.78 hope this helps

For a walk-a-thon, a sponsor is committed to giving you a flat fee of $25 plus $7 for every mile (m) you walk. SOMEONE HELP ME!!!!!!!!!!!!

Answers

Answer:

how many miles did they walk

Step-by-step explanation:

you didn't put the full question

Are f(x)= 1/2x - 2 and g(x)= -2x -4 inverses of each other

Answers

The function  f(x)= 1/2x - 2 and g(x)= -2x -4 are not inverses of each other.

What is an inverse function?

An inverse function can be described as the function that can undo another function, it is relationship between two function which is not directly proportional to each other.

An inverse function will follow the expression f^{-1},

Inverse of  1(/2x - 2 ) = (2x - 2 )

Inverse of  g(x)= (-2x -4) = 1/ (-2x -4)

This implies implies that Inverse of  g(x)  ≠  f(x)

Therefore, the  function of f(x)= 1/2x - 2 and g(x)= -2x -4 can not be regarded as inverse of each other.

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Please help
State if the three numbers can be the measures of the sides of a triangle. 1) 9, 7, 13 2) 26, 12, 11 3) 11, 2,9 4) 6, 11, 12 Two sides of a triangle have the following measures. Find the range of possible measures for the third side. 5) 12,9 7) 11,6 6) 8, 11 8) 12,8​

Answers

To determine if the three numbers can be the measures of the sides of a triangle:

According to the Triangle Inequality theorem to construct a triangle, the sum of the two sides of the triangle is greater than the third side i.e x + y>z

1) 9, 7, 13

So, 9+7 > 13

16 > 13

7+ 13 > 9

20 > 9

9+13 > 7

22 > 7

Yes, they can be the measures of the sides of a triangle.

2) 26, 12, 11

So, 26+12 > 11

38 > 11

12+ 11 > 26

23 < 26

No, they cannot be the measures of the sides of a triangle.

3) 11, 2,9

So, 11+2 > 9

13 > 9

2+ 9 > 11

11 = 11

No, they cannot be the measures of the sides of a triangle.

4) 6, 11, 12

So, 11+6 > 12

17 > 9

11+12 > 6 and 12+6 > 11

Yes, they can be the measures of the sides of a triangle.

To determine the range of the third side we find the maximum value and minimum value using two sides of a triangle.

Let's assume that x is the third side of the triangle.

5) 12,9

So, the maximum value of the third side is 12+9 = 21 and the minimum value is 12-9 = 3.

Hence, the range is 3<x<21.

6) 8, 11

The maximum value of the third side is 8+11 = 19 and the minimum value is 11-8 = 7.

Hence, the range is 3<x<19.

7) 11,6

The maximum value of the third side is 11+6 = 17 and the minimum value is 11-6 = 5.

Hence, the range is 5<x<17.

8) 12,8​

The maximum value of the third side is 12+8 = 20 and the minimum value is 12-8 = 4.

Hence, the range is 4<x<20.

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please help if you can

Answers

The correct answer is c > 1

the million americans of age and over control percent of all discretionary income. aarp estimated that the average annual expenditure on restaurants and carryout food was for individuals in this age group. suppose this estimate is based on a sample of persons and that the sample standard deviation is . round your answers to the nearest whole numbers. a. at confidence, what is the margin of error? b. what is the confidence interval for the population mean amount spent on restaurants and carryout food? , c. what is your estimate of the total amount spent by americans of age and over on restaurants and carryout food?

Answers

Using the t-distribution, it is found that:

a. The margin of error is of $122.4.

b. The 95% confidence interval for the population mean amount spent on restaurants and carryout food is of ($1,750.6, $1,995.4).

c. The estimate is the sample mean of $1,873.

What is a t-distribution confidence interval?

The bounds of the confidence interval are given according to the following rule:

[tex]\overline{x} \pm t\frac{s}{\sqrt{n}}[/tex]

In which the parameters are described as follows:

[tex]\overline{x}[/tex] is the sample mean, which is also the estimate of the population mean.t is the critical value.n is the sample size.s is the standard deviation for the sample.

In the context of this problem, the values of these parameters are given by:

[tex]\overline{x} = 1873, s = 550, n = 80[/tex]

Hence, for item c, the estimate is of $1,873, as it is the sample mean.

The critical value, using a t-distribution calculator, for a two-tailed 95% confidence interval, with 80 - 1 = 79 df, is t = 1.9905.

The margin of error is given by:

[tex]M = t\frac{s}{\sqrt{n}}[/tex]

Hence:

[tex]M = 1.9905\frac{550}{\sqrt{80}} = 122.4[/tex]

The confidence interval is the sample mean plus/minus the margin of error, hence:

1873 - 122.4 = $1,750.6.1873 + 122.4 = $1,995.4.

What is the missing information?

The problem is given by the image at the end of the answer.

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jeffrey has $1.20 more than ryan. when ryan hands jeffrey $7.50, jeffrey's money becomes 7 times as much as Ryan's. How much money did they each have at the beginning?

Answers

Answer:

Ryan had 10.20 dollars and Jeffery had 11.40 dollars.

Step-by-step explanation:

Let Ryan have x dollars originally, then Jeffrey has x + 1.20 dollars.

From the given info:

After getting 7.50 from Ryan, Jeffrey has:

x + 1.2 + 7.5 dollars and Ryan has x - 7.50 dollars.

Jeffreys money is now is 7 times as much as Ryan's, so:

x + 8.7 = 7(x - 7.5)

x + 8.7 = 7x - 52.5

8.7 + 52.5 = 7x - x

6x = 61.2

x = 10.20 dollars.

what is the probability of rolling at least one even number or a sum of 3 using two number cubes?

Answers

Answer:you could do

You would need to rile a two and a one together though

A rectangle has length 4ab cm and width 6a² cm. Write a simplified expression for the area of the rectangle. 4ab cm 6q² cm​

Answers

Answer : 4a^3b^2
…………….

The scale of a map is 2.3 km = 78 km
Map : 3.4 km
Actual : ___ km

Please help!​

Answers

115.3043 would be your answer

Can someone solve this and explain the process

Answers

Sin 73° has a value of 0.9563. (approximately).

Define trigonometric ratios.

Trigonometric ratios are based on the value of the ratio of sides of a right-angled triangle and contain the values of all trigonometric functions. The trigonometric ratios of a given acute angle are the ratios of the sides of a right-angled triangle with respect to that angle. If you know the lengths of two of the triangle's sides, you can use trigonometric ratios to get the measurements of one (or both) of the acute angles.

Given Data

Trigonometric ratio of

sin73°

The sine trigonometric function for an angle of 73 degrees has a value of sin 73 degrees.

Sin 73° has a value of 0.9563. (approximately).

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