Sign up for FREE

Review: Relations & Functions

Last updated over 4 years ago

30 questions

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Question 1

1.

What is the domain of the table below?

Question 2

2.

What is the range of the table below?

Question 3

3.

Is the mapping diagram below a function?

No

Yes

Question 4

4.

What is the domain of the function below?

{10, 6, 30}

{6, 6, 6}

(10, 6, 20, 6, 30, 6}

{10, 20, 30 }

Question 5

5.

What is the range of the relation below?

{14, 4, -2, 6, 0}

{3, -2, 5, 6, 8, 14}

{2, 3, 5, 8}

{2, 4, 2, 0}

Question 6

6.

Which point could be added to the relation below that would still classify it as a function?

(4, 13)

(0, 14)

(2, -8)

(6, -7)

Question 7

7.

What is the domain of the relation below?

{ (1, -5), (3, 9), (4, 5), (7, 8), (12, -8) }

{1, 3, 4, 7, 12}

{-5, 9, 5, 8, -8}

{4, 5, 7, 8, 12, -8}

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

Question 8

8.

What is the range of the relation below?

{ (-2, 2), (0, 5), (1, 6), (1, 7), (2, -1), (3, 2) }

{2, 5, 6, 7, -1, 2}

{-2, 2, 0, 5, 1, 6}

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

{1, 7, 2, -1, 3, 2}

Question 9

9.

Is the relation below a function?

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

No

Yes

Question 10

10.

Is the relation below a function?

{ (0, -5), (1, 3), (2, 2), (0, 4), (-5, 6), (3, 4) }

Yes

No

Question 11

11.

Is the graph below a function?

No

Yes

Question 12

12.

Is the graph below a function?

Yes

No

Question 13

13.

Is the graph below a function?

Yes

No

Question 14

14.

Which of the following statements about the graph below is true?

No.  It is not a function.  It fails the vertical line test.

No.  It is not a function since it is continuous.

This graph is not a function since it is discrete.  Discrete graphs are never functions.

Yes.  It is a function.  It passes the vertical line test.

Question 15

15.

Given the function below, evaluate h(10) .

Question 16

16.

Given the function k, below. If k(n) = 4, then n =

Question 17

17.

Given the function below, what is the range?

{6, -2, 3,- 1}

{0, 3, 2, 6, 3, -1}

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

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

Question 18

18.

If w(x) = 14x + 9 , what is the value of w (-5) ?

79

-61

15.8

-12.2

Question 19

19.

Which relation is not a function?

p(x) = 2x - 47

Question 20

20.

What is the domain of the graph below in interval notation?

Question 21

21.

What is the range of the graph below in interval notation?

Question 22

22.

Which of the following is NOT true about the graph below?

The range is:

The domain is:     

The range is:

The domain is:

Question 23

23.

Given the function, j, below, find j(-1)

Question 24

24.

Given the function, j, below. If j(n) = 19, find n

Question 25

25.

Given the function, j, below. Evaluate j(0) - j(3) .

Question 26

26.

Zoe sells holiday baskets for $12 each. However, she spent $40 on supplies to make the baskets.
Her profit from the sales of baskets is represented by p(x). What is Zoe's profit if she sells 6 baskets?

Question 27

27.

Zoe sells holiday baskets for $12 each. However, she spent $40 on supplies to make the baskets.
Her profit from the sales of baskets is represented by p(x).
If Zoe's profit was $56, how many baskets did she sell?

Question 28

28.

Given the function, m, below. Find m(0).

Question 29

29.

Given the function, m, below. Find m(4) - m(6) .

Question 30

30.

Given the function: u(x) = -4x + 9
Find u(5)