Is the function y=x^2-x linear or not?

Answers

Answer 1

Answer:

NOT linear

Step-by-step explanation:

Your equation is:

y = x^2 - x

Since the y has no exponent, (which is a power of 1) and the x has an exponent of 2, this function is a parabola. It is not linear. (Linear functions have a graph that is a line)

Functions that are NOT linear have exponents greater than 1, or variables in the denominator, or, variables inside a radical.


Related Questions

(b) what are the quotient and remainder when −34 is divided by 6? remember that the remainder r has to satisfy 0≤r<6, and in particular cannot be negative.

Answers

The quotient and remainder when −34 is divided by 6 is -6 and 2 respectively.

What is termed as the division?Multiplication is the inverse of division. If 3 groups of 4 add up to 12, 12 divided into three equal groups adds up to 4 in each cluster in division.Each component of a division equation is given its own name.Dividend: The dividend is just the number divided during the division process.Divisor: The divisor is the number whereby the dividend is divided.Quotient: A quotient is an outcome of the division process.Remainder: We can't always divide things exactly. There could be an extra number. The leftover number is known as the remainder.

Dividend = Divisor x Quotient + Remainder

For the given question,

The number -34 is to be divided by 6.

In this, dividend is -34 and divisor is 6.

Now while dividing the number comes should be less than -34.

Thus, -34 divided by 6 gives quotient as -36 and remainder as 2.

Where,  the remainder r has to satisfy 0≤r<6, and in particular cannot be negative.

Therefore, the quotient and remainder when −34 is divided by 6 is -6 and 2 respectively.

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Please help me asap (20 points)

Answers

Answer:

1.7^28/1.6^21 the second option.

Step-by-step explanation:

What is the measure of m?n20m5= [?]?]Vm =Give your answer in simplest form.Enter

Answers

To answer this question, we need to remember the next theorem:The

We have that the hypotenuse is the largest side of a right triangle. In this case, it is equal to (5 + 20) = 25 units.

The leg of the right triangle we need to find is m, and we know that the projection of m on the hypotenuse is 5 units.

Theref

Did anybody see my question for 24 I really need help

Answers

Answer:

48

hope its right sorryyyy

Help!! Which of the following is a true statement of the figure ?

Answers

Answer:

3rd option

Step-by-step explanation:

In the 3rd option, two sides from each triangle in the large triangle are compared.

If you leave $2500 in an
account earning 9% interest, compounded daily, how
much money will be in the account after 4 years?

Answers

The amount of money that will be in the account after 4 years is $3,583.16

How many times is interest compounded annually?

The fact that the interest rate of 9% in this scenario is compounded daily means that the interest is compounded every day of the year, 365 days in a year, hence, our future value formula needs an adjustment for daily compounding as shown below:

FV=PV*(1+r/m)^(n*m)

FV=the accumulated balance in the account after 4 years=unknown

PV=amount invested or deposited initially=$2500

r=annual interest=9%

m=number of times in a year that interest is compounded=365

n=number of years=4

FV=$2500*(1+9%/365)^(4*365)

FV=$3,583.16

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In a class, 2/5 of the students are less than 115 cm in height and 7/10 are less than 130 cm in height. what fraction are more than 115 cm but less than 130 cm?

Answers

i think the answer is 3/10

Walter Slater sells appliances and earns 2.5% commission in addition to his salary. Last month he sold
$63,000 in appliances. How much was his commission check?

Answers

Answer:

1575

Step-by-step explanation:

Comment

You are just asked to figure out the commission. The rule is to place 100 underneath what is given as the %. In effect, % = x / 100 in decimal form. In this case x = 2.5

So the % is 2.5/100 = 0.025 as a decimal

So commission is 63000 * 0.025 = $1575 commission

30 points asap
The equation y = –117.5 x + 31,379.9 gives the population y of a city x years after 1975. What is the real-world meaning of the rate of change and the y-intercept?

Rate of Change: The city’s population decreases by about 118 people each year. Y-intercept: In 1975, the city’s population was about 31,380 people.

Rate of Change: The city’s population decreases by about 31,380 people each year. Y-intercept: In 1975, the city’s population was about 118 people.

Rate of Change: The city’s population decreases by about 1975 people each year. Y-intercept: In year 0, the city's population was about 118 people.

Answers

The equation y = –117.5 x + 31,379.9 gives the population y of a city in x years after 1975 , in real world ,

Rate of Change means The city’s population decreases by about 118 people each year , and Y-intercept means  In 1975, the city’s population was about 31,380 people.

In the question ,

the equation that gives the population y of a city in x years is

y = –117.5 x + 31,379.9

let us find the population for 1976

So , x = 1 ,

we get , y = –117.5(1) + 31,379.9

y = –117.5 + 31,379.9

y = 31262.4

So, the population in the year 1976 is 31262.4

change in population = population in 1976 - population in 1975

= 31262.4 - 31,379.9

= -117.5

≈ -118

to find the population in the year 1977

x = 2 ,

we get , y = –117.5(2) + 31,379.9

= –235 + 31,379.9

= 31144.9

change in population = population in 1977 - population in 1976

= 31144.9 - 31262.4

= -117.5

≈ -118

From above , we can see that the population is decreasing in the year 1976 and 1977 , by  118 people,

hence , we can say that , the city’s population decreases by about 118 people each year

For population in 1975 , we put x=0 ,

So , y = –117.5(0) + 31,379.9

= 31379.9

≈ 31380

Therefore , the equation y = –117.5 x + 31,379.9 gives the population y of a city in x years after 1975 , in real world ,

Rate of Change means The city’s population decreases by about 118 people each year , and Y-intercept means  In 1975, the city’s population was about 31,380 people .

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3
1
1. How many groups of 1/8 are in 3?
8
2. Evaluate.
5
groups
|||

Answers

Answer:

answer to question 1: 24

Explanation: (btw sorry i couldn't answer question 2) multiply 8 times 3 and you get the answer

The required group of number is 24 of 1/8 in 3.

What is algebra?

Algebra is a study of mathematical expressions, in which numbers and quantities are represented in formulas and equations by letters and other universal symbols.

The given numbers are 1/8 and 3.

Let there are n number of groups of 1/8 in 3.

To find the value of number of groups n,

Use equation form,

1/8 n = 3

n = 3 x 8

n = 24.

There are 24 groups of 1/8 in 3.

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I need help on this question

Answers

I think the equation would be this:

F(x) = -(x-4)^2 +9

(Negative slope, and vertex is point (4,9))

Please help thank you

Answers

The value of [x] in the figure given is 54.

What are Alternate interior angles?

Alternate interior angles are the angles formed when a transversal intersects two coplanar lines. They lie on the inner side of the parallel lines but on the opposite sides of the transversal.

Given are two parallel lines.

The two lines are parallel and are intersected by a transversal. Assume

that  -

∠1 = (x +3)°

∠2 = (2x - 61)°

Now, the angle at the vertically opposite position with respect to ∠2 will have same measurements. Let's call this ∠3 = (2x - 61)°.

Now, ∠3 and ∠1 are alternate interior angles and their measures will be equal. So, we can write -

∠1 = ∠3

x + 3 = 2x - 61

3 + 61 = 2x - x

x = 64

The value of [x] is 54

Therefore, the value of [x] in the figure given is 54.

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NuHome Movers charges $95 per hour for loading/unloading services and $80 per hour for packing/unpacking services. Their charge is $2.50 per mile for truck rental. Jay is moving a distance of 200 miles and needs 9 hours of loading/unloading and 7 hours of packing/ unpacking. What will his moving cost be if the service also charges 7.25% tax on the total?​

Answers

Answer:

Total moving cost = $2,053.84

Step-by-step explanation:

Let's write down Jay's requirements and costs associated

9 hours of loading/unloading at $95 per hour = 95 x 9 = $855

7 hours of packing/unpacking at $80 per hour = 80 x 7 = $560

200 miles of transportation at $2.50 per mile = 2.50 x 200 = $500

Total before-tax cost of moving = $855 +  $560 + $500 = $1, 915

Sales Tax is additional at 7.25%

Sales Tax amount = 1915 x 7.25%

= 1915 x 7.25/100 = 138.8375 = $138.84

Total cost including sales tax = 1915.00 + 138.84 = $2,053.84

Guys i need helps is this right?​

Answers

you are correct!!! the answer is F.

What is the length of side BC to one decimal place?

Answers

Answer:

BC ≈ 9.0

Step-by-step explanation:

using the tangent ratio in the right triangle

tan42° = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{BC}{AC}[/tex] = [tex]\frac{BC}{10}[/tex] ( multiply both sides by 10 )

10 × tan42° = BC , then

BC ≈ 9.0 ( to 1 dec. place )

determine whether the function has a minimum or maximum f(x)=-2/3x+5 if x<0 -x if 0 4 -x^2+4x+4 if x>4

Answers

The function has no minimum or maximum

How to determine the minimum or the maximum of the function

The function is given as

f(x) = -2/3x + 5 if x < 0

f(x) = -x^2 + 4x + 5 if x > 4

The above function is a piecewise function

And the type of functions in the piecewise function are

Linear functionQuadratic function

A linear function does not have a minimum or a maximum

This means that the function would have no minimum or maximum

Hence, the minimum or the maximum value of the function does not exist

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Adam's school is 12 miles from his house. It takes his older brother
20 minutes to drive him to school.
If Adam's brother drives s mph faster than usual, how fast will
they reach the school?

Answers

^ = 20, so the answer is 20

In the space provided below, solve the inequality x/8 - 13 > -6 for x algebraically. Show all work. ​

Answers

Answer:

x > 56

Step-by-step explanation:

x/8 - 13 > -6

x/8 > 7

x > 56

In the diagram, ABC is a straight line.

Work out the size of the angle marked x.

Answers

Answer:

See below

Step-by-step explanation:

1   note the other angle at d = 62   ( isosceles triangle)

2  x = 180 - 62 - 62 -25

Answer:

x = 31°

Step-by-step explanation:

since AB = BD then Δ ABD is isosceles with base angles congruent, so

∠ ADB = ∠ BAD = 62°

the sum of the 3 angle in Δ ABD = 180° , so

∠ ABD = 180° - 62° - 62° = 180° - 124° = 56°

∠ ABD and ∠ CBD are a linear pair and sum to 180° , so

56° + ∠ CBD = 180° ( subtract 56° from both sides )

∠ CBD = 124°

the 3 angles in Δ CBD sum to 180° , then

x + 124° + 25° = 180°

x + 149° = 180° ( subtract 149° from both sides )

x = 31°

I need help finding the measurements of the numbered angles Question 1 and 2

Answers

In figure one the value of   ∠2 = 65 °  ∠1 = 115° .

In figure two the value of   ∠2 = 74°  ∠1 = 106°.

What are corresponding angles in parallels lines?

In the case of parallel lines, corresponding angles are congruent. Corresponding pairs are all angles that are situated in the same location with respect to the parallel and transversal lines. According to the definition of corresponding angles, when three parallel lines intersect two of them, the angles that are present at each intersection and are in the same relative position are said to be corresponding angles. Alternate angles, co-Interior angles, and matching angles are three facts regarding angles in parallel lines that we use to do this. When a transversal crosses two parallel lines, alternate and matching angle pairs coincide. Only when a transversal crosses two parallel lines perpendicularly are consecutive angles congruent. When a transversal intersects two parallel lines, however, subsequent angles are not necessary.

Figure 1

Given angle = 65°

=  ∠2

Cause they are corresponding angles.

∠1  + ∠2 = 180°

∠1   = 115

Figure 2

Given angle = 74 °

= ∠ 2

Cause they are corresponding angles.

∠1  + ∠2 = 180°

∠1   = 106°

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please help this worth half ny grade​

Answers

Answer:

see image

Step-by-step explanation:

See attached image

Theatre tickets cost either $30 or $42. One evening twice as many $30 tickets are sold as $42 tickets and the total money taken is $18564. Find the total number of tickets that are sold.​

Answers

Ratio = 1:2
1 + 2 = 3
18564 / 3 = 6188
6188 x 2 = 12376
Ratio = 6188:12376
6188 / 42 = 148 tickets
12376 / 30 = 413 tickets
413 + 148 = 561 tickets

Which table represents a linear function?
x y
1 3
2 7
3 11
4 15

x y
1 3
2 8
3 15
4 21

x y
1 3
2 9
3 3
4 9

x y
1 3
2 9
3 27
4 81

Answers

The first table represents a linear function.

What is a linear function?

A linear function is one that changes at a constant rate. Any linear function has an increase or decrease that is constant. The slope of the line, denoted by the letter m in the equation y = mx + b, is this constant rate of change.

Given are the tables with values of x and y.

In a table of linear functions, the ratio of the difference in y values to the difference in x values is consistently constant.

The first table is given as:

x y

1 3

2 7

3 11

4 15

Only table 1 in the provided tables represents a linear function.

This is because the equivalent values of y change by 4 when the value of x changes by 1.

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I have a question about exponential functions I will submit a photo

Answers

The values are given as:

(a) Approximate the value of e^6 to 4 decimal places:

The value of

[tex]e^6=403.42879[/tex]

The approximate value to 4 decimal places is 403.4288.

(b) Approximate the value of e^(-0.66) to 4 decimal places:

[tex]\text{The value of e}^{-0.66}=0.5168513344916[/tex]

Approximated value to 4 decimal places is 0.5168..

Whats the answer? For a b c d

Answers

By evaluating the given linear equation, we will see that the missing values in the table are:

a = -3b = 1c = 3d = 5

How to get the missing values?

Here we have a table that relates the inputs, x, with the outputs, y, of the linear equation:

y = 2x + 1

To find the missing values we need to evaluate the linear equation in the given inputs, a is the value that we get when x = -2, evaluating in that we get:

a = 2*(-2) + 1

a = -4 + 1

a = -3

The value of b is what we get when x = 0.

b = 2*0 + 1

b = 1

The value of c is what we get when x = 1.

c = 2*1 + 1

c = 3

The value of d is what we get when x = 2.

d = 2*2 + 1

d = 4 + 1

d = 5

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What is the answer to the problem for sin, sec, tan. I don’t really need a detailed explanation just the answer. Thank you.

Answers

Answer:

[tex]\begin{gathered} \sin(\theta)=-0.35 \\ \\ sec(\theta)=-1.07 \\ \\ \tan(\theta)=0.38 \end{gathered}[/tex]

Step-by-step explanation:

Remember that for a given terminal point of an angle, we define those trigonometric functions as following:

[tex]\begin{gathered} \sin(\theta)=\frac{y}{\sqrt{x^2+y^2}} \\ \\ sec(\theta)=\frac{\sqrt{x^2+y^2}}{x} \\ \\ \tan(\theta)=\frac{y}{x} \end{gathered}[/tex]

This way, we'll have that:

[tex]\begin{gathered} \sin(\theta)=-0.35 \\ \\ sec(\theta)=-1.07 \\ \\ \tan(\theta)=0.38 \end{gathered}[/tex]

Sid burrowed a single payment loan at $10,000 at an interest rate of 5.5%. The term of the loan is 120 days. What is the maturity value of his loan at exact interest?

Answers

[tex]A=P(1+i)^t[/tex]

For this case

P = 10 000

i=0.055

t=120

After you compute the formula you would get

A = 6 170 141

The half-life of a radioactive kind of uranium is 2 years. How much will be left after 4 years, if you start with 776 grams of it?

Answers

ANSWER

194 grams

EXPLANATION

We have that the half life of the uranium is 2 years.

This means that it will take 2 years for the uranium to decay to half of its original value.

The formula for exponential decay is:

[tex]y=ab^t[/tex]

where y = the value after the decay

a = initial value

b = rate of decay.

t = number of years

First, we have to find b.

We have that 776 grams of uranium will decay to half its amount (388 grams) in 2 years. This means that:

[tex]\begin{gathered} 388\text{ = 776 }\cdot b^2 \\ \Rightarrow b^2\text{ = 388 / 776} \\ b^2\text{ = 0.5} \\ b\text{ = }\sqrt[]{0.5} \\ b\text{ = 0.707} \end{gathered}[/tex]

Therefore, after 4 years (t = 4), the amount of uranium left will be:

[tex]\begin{gathered} y\text{ = 776 }\cdot(0.707)^4 \\ y\text{ = 776 }\cdot\text{ 0.25} \\ y\text{ = 194 grams} \end{gathered}[/tex]

That is the amount of uranium that will be left after 4 years.

What is the range for -|x+3|

Answers

The function is -|x+3|. The range is (-∞,0].

Given that,

The function is -|x+3|

We must determine the function's range.

A function's domain and range are its constituent parts. The domain of a function is the set of all possible input values, whereas the range of a function is its potential output. Range, Domain, and Function. A is the domain and B is the co-domain if a function f: A → B exists that maps every element of A to an element in B.

The function is -|x+3|

The domain is (-∞,∞)

The range is (-∞,0]

Therefore, the range is (-∞,0].

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Calculate the volume of liquid that would fill the bowl of the glass. SHOW ALL WORK!!

Answers

Answer:

49.7 cm³

Step-by-step explanation:

We need to find the volume of the cone with:

Diameter = 5 cm andSlant height = 8 cm

First, find the height, using Pythagorean, where hypotenuse of the triangle is 8 cm and base is the radius = 5 cm/2 = 2.5 cm:

[tex]h = \sqrt{8^2-2.5^2} =\sqrt{57.75} =7.6[/tex]    (rounded)

Find the volume of the cone:

[tex]V=\pi r^2h/3=3.14*2.5^2*7.6/3 = 49.7[/tex]   (rounded)
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