Quiz about 1.6 & 1.7: Relations and Functions

Question 1

A set of ordered pairs is called what?

Accepted Answer

Relation

Answer

Coordinates

Answer

Function

Answer

Vertical Line Test

Question 2

What is the domain?

Accepted Answer

the set of all x-values

Answer

the set of all y-values

Question 3

What is the range?

Accepted Answer

the set of all y-values

Answer

the set of all x-values

Question 4

What is the domain of the following graph?

Accepted Answer

D: {-4, -2, 0, 3, 6}

Answer

D: {-5, -1,  0 , 1, 5}

Question 5

What is the range of the following graph?

Accepted Answer

R: {-5, -1, 0 , 1, 5}

Answer

R: {-4, -2, 0, 3, 6}

Question 6

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}

Answer

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

Question 7

Which type of relation is shown?

Accepted Answer

Mapping

Answer

Graph

Answer

Table

Answer

Set of ordered pairs

Question 8

Which Table represents the relation {(2,5),(-7,-7),(-1,-2),(5,-1)}?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 9

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 10

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 11

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 12

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 13

Is this a function?

Accepted Answer

Yes

Answer

No

Question 14

Question 14.

Accepted Answer

Not a Function

Answer

Function

Question 15

Question 15.

Accepted Answer

Function

Answer

Not a Function

Question 16

List the ordered pairs

Accepted Answer

(1,3), (2,6), (3,9), (4,12)

Answer

(3,1), (6,2), (9,3), (12,4)

Answer

Input and Output

Answer

Output and Input

Question 17

The graph of a relation is shown at the right. Is this relation a function?

Accepted Answer

No

Answer

Yes

Answer

Cannot be determined from a graph

Question 18

f(x)=4x+5
f(4)=

Accepted Answer

21

Answer

-11

Answer

-31

Answer

25

Question 19

Evaluate f(-5) if f(x) = -2x - 12

Accepted Answer

-2

Answer

-22

Answer

-19

Answer

-5

Question 20

Given f(x) = 3x + 7, find f(5).

Accepted Answer

22

Answer

15

Answer

42

1.6 & 1.7: Relations and Functions

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