Quiz about Pretest - Functions

Question 1

A set of ordered pairs is called what?

Accepted Answer

Relation

Answer

Coordinates

Answer

Function

Answer

Vertical Line Test

Question 2

A relation where every input yields one and only one output is called what?

Accepted Answer

Function

Answer

Relation

Answer

Linear

Answer

Exponential

Question 3

Which relation is NOT a function?

Accepted Answer

{(1,-5), (-1,6), (1,5), (6,-3)}

Answer

{(1,-5), (3,1), (-5,4), (4,-2)}

Answer

{(2,7), (3,7), (4,7), (5,8)}

Answer

{(3,-2), (5,-6), (7,7), (8,8)}

Question 4

All of the x values or inputs are called what?

Accepted Answer

Domain

Answer

Range

Answer

Relation

Answer

Function

Question 5

All of the y values or outputs are called what?

Accepted Answer

Range

Answer

Domain

Answer

Relation

Answer

Function

Question 6

Is this a function?

Accepted Answer

Yes

Answer

No

Question 7

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 8

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 9

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 10

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 11

Is relation shown a function?

Accepted Answer

NO

Answer

YES

Question 12

Is the relation a function?

Accepted Answer

YES

Answer

NO

Question 13

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 14

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

Accepted Answer

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

Answer

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

Answer

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

Question 15

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 16

Does this relation represent a function?

Accepted Answer

No

Answer

Yes

Question 17

What is the domain?

Accepted Answer

{-2, -1, 0, 1, 8}

Answer

{3, 5, 7 , 9, 0}

Answer

{-2, -1, 0, 1, 3, 5, 7, 8, 9}

Answer

{-2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

Question 18

What is the range?

Accepted Answer

{-2, -1, 0, 3}

Answer

{3, 0, -1, 0, -2}

Answer

{-4, -2, 1, 2, 5}

Answer

{-4, -2, -1, 0, 1, 2, 3, 5}

Question 19

What is the range?

Accepted Answer

{-2, -1, 0, 3}

Answer

{3, 0, -1, 0, -2}

Answer

{-4, -2, 1, 2, 5}

Answer

{-4, -2, -1, 0, 1, 2, 3, 5}

Question 20

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 21

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 22

Give the domain and range. Tell if it is a function.

Accepted Answer

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

Answer

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

Answer

D: {-4, -2, 0, 2}
R: {-2, -2, 1, 1}
Not a Function

Answer

D: {-4, -2, 0, 2}
R: {-2, 1}
Not a Function

Question 23

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 24

For h(x) = x³ + 2x, find h(4).

Accepted Answer

72

Answer

20

Answer

14

Answer

64

Question 25

A Linear Equation makes a

Accepted Answer

A straight line graph

Answer

A circular graph

Answer

A parabolic graph

Answer

A exponential graph

Question 26

Which of the following is an example of a linear equation

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 27

Find the value of f(2) if f(x)=2x-5

Accepted Answer

-1

Answer

17

Answer

1

Answer

-17

Question 28

Find the value of f(8) if f(x)=15x

Accepted Answer

120

Answer

158

Answer

8

Answer

15

Question 29

If h(a) = 3 - 2a
Find h(-3).

Accepted Answer

9

Answer

12

Answer

-2

Answer

-3

Question 30

Let w(x) = 3x - 7. If w(x) = 14, find x.

Accepted Answer

7

Answer

35

Answer

2.33333

Answer

-49

Pretest - Functions

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