Quiz about Identifying Relations as 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

What is the range of the relation shown on the mapping diagram?

Accepted Answer

R:{3, 5, 8}

Answer

R:{-7, 11}

Answer

R:{3, 5, 8, 12}

Answer

R:{all real numbers}

Question 7

For h(x) = x³ + 2x, find h(4).

Accepted Answer

72

Answer

20

Answer

14

Answer

64

Question 8

Is this a function? Explain.

Accepted Answer

Yes; it passes the vertical line test.

Answer

Yes; it passes the horizontal line test.

Answer

No; it is not a straight line.

Answer

No; there is a line connecting the dots.

Question 9

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 10

Which of the following is not a function?

Accepted Answer

{(0,2), (1,3), (4,3), (1,2)}

Answer

{(0,1), (1,2), (2,3), (3,4)}

Answer

{(1,3), (4,2), (2,0), (3,4)}

Answer

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

Question 11

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 12

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 13

Is this mapping a function or not a function?

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

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 16

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 17

Give the domain and range of the relation.
{(-2,-1), (-1,0), (0,-1), (1,0), (2,-1)}

Accepted Answer

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

Answer

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

Answer

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

Answer

D: {-2 < x < 2}
R: {-1 < y < 0}

Question 18

Evaluate f(-2) if f(x) = x+3

Accepted Answer

1

Answer

-1

Answer

5

Answer

-5

Question 19

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

Accepted Answer

-2

Answer

7

Answer

-9

Answer

-10

Question 20

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

Accepted Answer

3

Answer

0

Answer

-3

Answer

-1

Question 21

What is the domain of the function?

Accepted Answer

D:{all real numbers}

Answer

D:{ x is greater than or equal to 3}

Answer

D:{x is less than or equal to 3}

Answer

D:{ x is all real numbers between and including -1 and 5}

Question 22

What is the range of the following graph?

Accepted Answer

all real numbers

Answer

all integers

Answer

any real number greater than zero

Answer

it can not be determined

Question 23

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 24

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 25

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 26

A relation where every input in matches with exactly one output is called what?

Accepted Answer

Function

Answer

Relation

Answer

Linear

Answer

Exponential

Question 27

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 28

All of the y values or outputs are called what?

Accepted Answer

Range

Answer

Domain

Answer

Relation

Answer

Function

Question 29

All of the x values or inputs are called what?

Accepted Answer

Domain

Answer

Range

Answer

Relation

Answer

Function

Question 30

Is this a function? Explain.

Accepted Answer

Yes; it passes the vertical line test.

Answer

Yes; it passes the horizontal line test.

Answer

No; it is not a straight line.

Answer

No; there is a line connecting the dots.

Question 31

Question 31.

Accepted Answer

Function

Answer

Not a Function

Question 32

Question 32.

Accepted Answer

Not a Function

Answer

Function

Question 33

Question 33.

Accepted Answer

Not a Function

Answer

Function

Question 34

Question 34.

Accepted Answer

Function

Answer

Not a Function

Question 35

What is the range of the following graph?

Accepted Answer

-5, -1,  0 , 1, 5

Answer

-4, -2, 0, 3, 6

Answer

(-4, 1)  ( 6, 0)

Answer

(6, 0)

Question 36

What is the range of the following relation:
(9, -2) (4, 3) ( 8, 10) ( -4, 8)

Accepted Answer

-2, 3, 8, 10

Answer

-4, 4, 8, 9

Answer

(9, -2) ( 4, 3)

Answer

(8, 10) (-4, 8)

Question 37

Answer.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 38

Answer.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 39

Identify the domain of the following relation:

Accepted Answer

-6, 0, 2, 4

Answer

-6, 14, 2, 28

Answer

(-6,14), (0,32), (2,38), (4,44)

Answer

14, 32, 38, 44

Question 40

Question 40.

Accepted Answer

{-2, 3, 7}

Answer

[-2, 3]

Answer

{1, 2, 2, 3, 4}

Answer

[1, 4]

Question 41

Question 41.

Accepted Answer

{1, 2, 3, 5}

Answer

{1, 2, 3, 4, 5}

Answer

{-1, 1, 2, 3}

Answer

[1, 5]

Question 42

What is the range of the following graph?

Accepted Answer

all real numbers

Answer

all integers

Answer

any real number greater than zero

Answer

it can not be determined

Question 43

Question 43.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 44

Question 44.

Accepted Answer

H

Answer

F

Answer

G

Answer

I

Question 45

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 46

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 47

Is this set of ordered pairs a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 48

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 49

Is this set of ordered pairs a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 50

Is the graph pictured a function?

Accepted Answer

No

Answer

Yes

Question 51

.

Accepted Answer

Not a Function

Answer

Function

Question 52

Is this set of ordered pairs a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 53

Question 53.

Accepted Answer

Function

Answer

Not a Function

Question 54

Is this set of ordered pairs a function or not a function?

Accepted Answer

Not a function

Answer

Function

Question 55

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 56

.

Accepted Answer

Function

Answer

Not a Function

Question 57

Question 57.

Accepted Answer

Function

Answer

Not a Function

Question 58

Question 58.

Accepted Answer

Not a Function

Answer

Function

Question 59

Is the graph pictured a function?

Accepted Answer

Yes

Answer

No

Question 60

Question 60.

Accepted Answer

Not a Function

Answer

Function

Question 61

used to determine if a relation is a function

Accepted Answer

vertical line test

Answer

3d line test

Answer

diagonal line test

Answer

horizontal line test

Question 62

Is the relation a function?{(1,5),(1,7),(3,9),(4,11)}

Accepted Answer

No

Answer

Yes

Question 63

.

Accepted Answer

Function

Answer

Not a Function

Question 64

.

Accepted Answer

Not a Function

Answer

Function

Identifying Relations as Functions

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