Quiz about Functions

Question 1

Does the graph represent a function?

Accepted Answer

No, because the vertical line test shows there are repeating input values

Answer

Yes, because the vertical line test shows there are no repeating input values

Question 2

Which graph is NOT a function? (It does NOT pass the vertical line test.)

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 3

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 4

In the given relation, what domain value corresponds to the range value -2?
{(-1,2), (-2,4), (2,5), (0,-2), (2,0)}

Accepted Answer

0

Answer

-2

Answer

2

Answer

4

Question 5

What test is used to determine if a graphed relation is a function?

Accepted Answer

The Vertical Line Test

Answer

The Horizontal Line Test

Answer

The Diagonal Line Test

Answer

The Litmus Test

Question 6

Which graph is a function?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 7

Which set of values is a function?

Accepted Answer

(6,-5) (7, -3) (8, -1) (9, 1)

Answer

(9,5) (10,5) (9,-5) (10,-5)

Answer

(3,4) (4,-3) (7,4) (3, 8)

Answer

(2, -2) (5, 9) (5, -7) (1, 4)

Question 8

Is the relation a function? Why or why not?

Accepted Answer

No, because the x-value 11 has two y-values paired with it.

Answer

Yes, because the x-value 11 has two y-values paired with it.

Answer

Yes, because each x-value has only one y-value paired with it.

Answer

No, because each x-value has only one y-value paired with it.

Question 9

Question 9.

Accepted Answer

Not a Function

Answer

Function

Question 10

Question 10.

Accepted Answer

Function

Answer

Not a Function

Question 11

Question 11.

Accepted Answer

Function

Answer

Not a Function

Question 12

Question 12.

Accepted Answer

Not a Function

Answer

Function

Question 13

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

Accepted Answer

D:{-4, 0, 1, 2}
R:{-4, -3, 1}

Answer

D: {1, -3, -4,}
R: {0, 1, 2, -4}

Answer

D:{0, 1, 2, 3, 4}
R:{1, -3, -4}

Question 14

Does the graph represent a function?

Accepted Answer

No, because the vertical line test shows there are repeating input values

Answer

Yes, because the vertical line test shows there are no repeating input values

Question 15

Identify the range of the following relation:

Accepted Answer

{14, 32, 38, 44}

Answer

{-6, 14, 2, 28}

Answer

{-6,14, 0, 32, 2, 38, 4,44}

Answer

{-6, 0, 2, 4}

Question 16

Question 16.

Accepted Answer

{1, 2, 3, 5}

Answer

{1, 2, 3, 4, 5}

Answer

{-1, 1, 2, 3}

Answer

[1, 5]

Question 17

Is this relation a function?

Accepted Answer

Not a Function

Answer

Function

Question 18

Question 18.

Accepted Answer

{-2, 3, 7}

Answer

{-2, 3}

Answer

{1, 2, 2, 3, 4}

Answer

{1, 4}

Question 19

Does this mapping diagram represent a function?

Accepted Answer

Yes, because there are no repeating input values

Answer

No, because there are repeating input values

Question 20

Question 20.

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 21

Which graphing does NOT represent a function?

Accepted Answer

G

Answer

F

Answer

H

Answer

J

Question 22

Question 22.

Accepted Answer

Not a Function

Answer

Function

Question 23

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 24

All of the y values or outputs are called what?

Accepted Answer

Range

Answer

Domain

Answer

Relation

Answer

Function

Question 25

You plan to go snowboarding. The resort charges $15 an hour in addition to $25 to rent a board.

Write an equation that represents the cost to go snowboarding for the day.

_HINT:

_{Use "x" to represent hours and "y" to represent the total cost.}

Accepted Answer

y = 15x + 25

Answer

y = 15x - 25

Answer

15x + 25y = 100

Answer

25x + y = 15

Question 26

Question 26.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 27

All of the x values or inputs are called what?

Accepted Answer

Domain

Answer

Range

Answer

Relation

Answer

Function

Question 28

Is the graph of the equation increasing, decreasing, both or neither?

Accepted Answer

Decreasing

Answer

Increasing

Answer

Both

Answer

Neither

Question 29

Is the graph of the equation increasing, decreasing, both or neither?

Accepted Answer

Increasing

Answer

Decreasing

Answer

Both

Answer

Neither

Question 30

Is the graph of the equation increasing, decreasing, both or neither?

Accepted Answer

Decreasing

Answer

Increasing

Answer

Both

Answer

Neither

Question 31

Is the graph of the equation increasing, decreasing, both or neither?

Accepted Answer

Increasing

Answer

Decreasing

Answer

Both

Answer

Neither

Question 32

Is the graph of the equation increasing, decreasing, both or neither?

Accepted Answer

Decreasing

Answer

Increasing

Answer

Both

Answer

Neither

Question 33

Is the graph of the equation increasing, decreasing, both or neither?

Accepted Answer

Increasing

Answer

Decreasing

Answer

Both

Answer

Neither

Question 34

Is this function increasing, decreasing, both or neither?

Accepted Answer

Both

Answer

Increasing

Answer

Decreasing

Answer

Neither

Question 35

Is this function increasing, decreasing, both, or neither?

Accepted Answer

Both

Answer

Increasing

Answer

Decreasing

Answer

Neither

Question 36

Is this a linear or nonlinear function?

Accepted Answer

Nonlinear

Answer

Linear

Question 37

Is the graph of the equation a linear or nonlinear function?

Accepted Answer

Linear

Answer

Nonlinear

Question 38

Is the equation linear or nonlinear?

Accepted Answer

Nonlinear

Answer

Linear

Question 39

Is the equation linear or nonlinear?

Accepted Answer

Linear

Answer

Nonlinear

Question 40

Is the following equation linear or nonlinear?

Accepted Answer

Nonlinear

Answer

Linear

Functions

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