Quiz about Functions

Question 1

What is the definition of function?

Accepted Answer

Every input has only ONE output

Answer

Has inputs and outputs

Answer

Inputs have different outputs every time

Answer

x-values and y-values

Question 2

Question 2.

Accepted Answer

Not a Function

Answer

Function

Question 3

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 4

Is the relation a function? Why.

Accepted Answer

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

Answer

Yes, because the x-value 11 has two y-values pair 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 5

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 6

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 7

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 8

Does the table represent a function?

Accepted Answer

No, there is a repeated x-value.

Answer

Yes, there  is a repeated x-value.

Answer

No, there aren't any repeated y-values.

Answer

Yes, there are repeated y-values.

Question 9

Question 9.

Accepted Answer

27

Answer

21

Answer

24

Answer

72

Question 10

Question 10.

Accepted Answer

106

Answer

16

Answer

26

Answer

94

Question 11

Question 11.

Accepted Answer

84

Answer

92

Answer

116

Answer

64

Question 12

Question 12.

Accepted Answer

Function

Answer

Not a Function

Question 13

Question 13.

Accepted Answer

Not a Function

Answer

Function

Question 14

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 15

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 16

g(x) = 11 - x
Find g(x) = -7

Accepted Answer

18

Answer

4

Answer

17

Answer

-77

Question 17

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 18

Question 18.

Accepted Answer

Function

Answer

Not a Function

Question 19

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 20

If f(x) = 2x + 1, find f(1).

Accepted Answer

f(1) = 3

Answer

f(1) = 1

Answer

f(1) = 4

Answer

f(1) = 0

Question 21

Which of the following is a function?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 22

Which of the following is a function?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 23

Which is a function?

Accepted Answer

Z

Answer

W

Answer

X

Answer

Y

Question 24

Which of the following is a function?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 25

Is the following graph a function?

Accepted Answer

Yes it is a function.

Answer

No, it is not a function.

Answer

There is not enough information to answer this question.

Question 26

For the function f(x) = -3(x-1) find f(0).

Accepted Answer

3

Answer

0

Answer

-3

Answer

-1

Question 27

Given g(x) =
4x - 7, find g(-9).

Accepted Answer

g(-9) = -43

Answer

g(-9) = 29

Question 28

Evaluate f(-2) if f(x) = x²+ 3.

Accepted Answer

7

Answer

-1

Answer

1

Answer

-7

Question 29

Which of these relations is a function?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 30

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 31

For 1-6 Match the verbal description with the part of the graph it describes.
1. Stays the same.

Accepted Answer

F

Answer

A

Answer

D

Answer

C

Question 32

2.  Slowly decreases at a CONSTANT rate

Accepted Answer

C

Answer

A

Answer

F

Answer

D

Question 33

The distance-time graphs shown represent the motion of a car. Which of the following graphs represents the car at constant speed?

Accepted Answer

graph A

Answer

graph B

Answer

graph C

Answer

graph D

Question 34

2) At what interval does the graph remain constant?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 35

4) At what interval(s) does this graph decrease?

Accepted Answer

1

Accepted Answer

4

Answer

2

Answer

3

Question 36

7) The graph shows the speed of a car over time. What might the constant intervals in the function represent?

Accepted Answer

the car speed staying the same

Answer

the car speeding up

Answer

the car slowing down

Answer

the car changing directions

Question 37

Which statement is true about this function?

Accepted Answer

The function is never decreasing

Answer

The function is never constant

Answer

The function is always increasing

Answer

The function increases on the interval 11:00 < x < 15:00

Question 38

Describe the situation.

Accepted Answer

Sales decrease quickly at a constant rate, and then increase slowly at a constant rate.

Answer

Sales stay constant, then decrease at a constant rate, and increase slowly.

Question 39

How much does it cost to have your lawn mowed for 2 hours?

Accepted Answer

$18

Answer

$16

Answer

$17

Answer

$19

Question 40

What is the number of teens that have a cell phone at age 16?

Accepted Answer

430

Answer

341

Answer

590

Answer

642

Question 41

Mr. Alison drives in city traffic to the gas station. He also shops for bread and milk at the gas station. After filling up his car, he drive home on the highway. Which graph represents this situation?

Accepted Answer

Graph B

Answer

Graph A

Answer

Graph C

Functions

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics