Quiz about Functions Review Day 1-3

Question 1

Question 1.

Accepted Answer

Not a Function

Answer

Function

Question 2

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 3

Question 3.

Accepted Answer

Not a Function

Answer

Function

Question 4

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 5

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 6

Determine whether the equation represents y as a function of x:

$$3x+5y=15$$

Accepted Answer

Yes, Function

Answer

No, Not a function

Question 7

Determine whether the equation represents y as a function of x:

$$y=\sqrt[]{3x-2}$$

Accepted Answer

Yes, Function

Answer

No, Not a function

Question 8

Determine whether the equation represents y as a function of x:

$$2x+y^2=51$$

Accepted Answer

No, Not a function

Answer

Yes, Function

Question 9

Let $$f\left(x\right)=3x^2-2x+4$$ . Find $$f\left(-2\right)$$

Accepted Answer

f(-2) =20

Answer

f(-2) = 12

Answer

f(-2) = 14

Answer

f(-2) = 18

Question 10

Given $$h\left(x\right)=\sqrt[]{5-x^2}$$ . Find $$h\left(-2\right)$$

Accepted Answer

1

Answer

3

Answer

0

Answer

-1

Question 11

Determine whether the equation represents y as a function of x:

$$y^2=4x+1$$

Accepted Answer

No, Not a function

Answer

Yes, Function

Question 12

Let $$g\left(x\right)=2x^3-3x+1$$ . Find $$g\left(1\right)$$

Accepted Answer

0

Answer

1

Answer

2

Answer

3

Question 13

Find $$f\left(-2\right)$$

Accepted Answer

0

Answer

Not a part of the domain

Answer

5

Answer

4

Question 14

Find $$f\left(\frac{1}{2}\right)$$

Accepted Answer

4

Answer

Not a part of the domain

Answer

1.25

Answer

2.5

Question 15

Find $$f\left(4\right)$$

Accepted Answer

17

Answer

Not a part of the domain

Answer

6

Answer

4

Question 16

Find the Domain of the function:

$$f\left(x\right)=3x-2$$

Accepted Answer

All real numbers

Answer

Only positive numbers

Answer

Numbers less than 2/3

Answer

Integers only

Question 17

Find the Domain of the function:

$$h\left(x\right)=\frac{3x-2}{x+5}$$

Accepted Answer

All real numbers except x = -5

Answer

All real numbers

Answer

All real numbers except x = 0

Answer

All positive numbers except x = -5

Question 18

Find the domain of the function

$$g\left(x\right)=3\left|x+8\right|$$

Accepted Answer

All real numbers

Answer

Only positive numbers

Answer

All integers

Answer

Negative numbers only

Question 19

Find the range of the function

$$g\left(x\right)=3\left|x+8\right|$$

Accepted Answer

$$y\ge0$$

Answer

$$y>0$$

Answer

All real numbers

Answer

$$y\le0$$

Question 20

Find the domain of the function:

$$k\left(x\right)=\sqrt[]{3x+4}$$

Accepted Answer

$$x\ge-\frac{4}{3}$$

Answer

$$x=-\frac{4}{3}$$

Answer

All Real Numbers

Answer

$$x>-\frac{4}{3}$$

Question 21

Find the range of the function:

$$k\left(x\right)=\sqrt[]{3x+4}$$

Accepted Answer

$$y\ge0$$

Answer

$$y\ge-\frac{4}{3}$$

Answer

$$y>0$$

Answer

All Real Numbers

Question 22

What is the domain of

$$C=\pi d$$

Accepted Answer

$$d\ge0$$

Answer

All Real numbers

Answer

$$d\le0$$

Question 23

What interval is the function increasing?

Accepted Answer

$$\left(4,\infty\right)$$

Answer

$$\left(-\infty,4\right)$$

Answer

$$\left(3,\infty\right)$$

Answer

$$\left(-\infty,\infty\right)$$

Question 24

For what interval is the function decreasing?

Accepted Answer

$$\left(-\infty,4\right)$$

Answer

$$\left(4,\infty\right)$$

Answer

$$\left(3,\infty\right)$$

Answer

$$\left(-\infty,\infty\right)$$

Question 25

Write the interval of decrease for the function.

Accepted Answer

$$\left(-1.5,1\right)$$

Answer

$$\left(\left(-\infty,-1.5\right)\cup\left(1,\infty\right)\right)$$

Answer

$$\left(-\infty,\infty\right)$$

Answer

$$\left[-1.5,1\right]$$

Question 26

Write the interval of increase for the function.

Accepted Answer

$$\left(\left(-\infty,-1.5\right)\cup\left(1,\infty\right)\right)$$

Answer

$$\left(-1.5,1\right)$$

Answer

$$\left(-\infty,\infty\right)$$

Answer

$$\left[-1.5,1\right]$$

Question 27

On what interval is the function constant?

Accepted Answer

$$\left(-2,3\right)$$

Answer

$$\left(-\infty,-2\right)$$

Answer

$$\left(3,\ \infty\right)$$

Answer

$$\left(-\infty,-2\right)\cup\left(3,\infty\right)$$

Functions Review Day 1-3

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