Quiz about Functions

Question 1

The graph of any straight line is a function.

Accepted Answer

Sometimes true.

Answer

Always true.

Answer

Never true.

Question 2

A curved line graph is not a function.

Accepted Answer

Sometimes true.

Answer

Always true.

Answer

Never true.

Question 3

A function has only one output for each input.

Accepted Answer

True

Answer

False

Question 4

You always check these values to see if they repeat when checking for a function.

Accepted Answer

The Domain

Answer

The Range

Answer

The y-values

Answer

The Dependent values

Question 5

How do you check a GRAPH to see if it is a function?

Accepted Answer

Use the vertical line test

Answer

Use the horizontal line test

Answer

Use guess and check

Answer

Flip a coin

Answer

Use the slope formula

Question 6

If you plug in a 2 and get a 11, and you plug in a 4 and get a 21, what is the function used?

Accepted Answer

f(x) = 5x + 1

Answer

f(x) = 5x - 2

Answer

f(x) = 4x + 3

Answer

f(x) = 4x + 5

Question 7

If you plug in a -2 and get a 7, and you plug in a -3 and get a 9, and you plug in a 4 and get a -5, what is the function used?

Accepted Answer

f(x) = -2x + 3

Answer

f(x) = -x + 2

Answer

f(x) = -2x - 3

Answer

f(x) = 4x - 3

Question 8

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 9

Is this mapping 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

Function

Answer

Not a Function

Question 11

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

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

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

Accepted Answer

3

Answer

0

Answer

-3

Answer

-1

Question 14

Sarah is bringing treats to her middle school class on her birthday. The number of treats she brings in is based on the number of students in her class.
t = the number of treats
s = the number of students
Which of the variables is dependent?

Accepted Answer

t

Answer

s

Question 15

Carey and Justin are raising money to purchase books for their school's library. The more money they raise, the more books they will be able to purchase for the library.
m = the amount of money Carey and Justin raise
b = the number of books Carey and Justin will be able to purchase
Which of the variables is dependent?

Accepted Answer

b

Answer

m

Question 16

Paco's daughter will be participating in an upcoming dance recital. She will require a different costume for each dance she plans to performs.
c = the number of costumes Paco's daughter will require
d = the number of dances Paco's daughter plans to perform
Which of the variables is independent?

Accepted Answer

d

Answer

c

Question 17

Which panda will weigh more at 5 weeks?

Accepted Answer

Mochi

Answer

Kappa

Answer

Po the dragon warrior

Answer

Jack Black

Question 18

Which equation matches the relationship represented by the table?

Accepted Answer

y = 3x - 4

Answer

y = -3x

Answer

y = 1/3x - 4

Answer

y = 4x - 3

Question 19

In which quadrant is (9, 2) located?

Accepted Answer

I one

Answer

II two

Answer

III three

Answer

IV four

Question 20

What is the function of the table?

Accepted Answer

y = x + 2

Answer

y = 2x

Answer

y = x/2

Answer

y = x - 2

Question 21

What is the function of the table?

Accepted Answer

y=3x+1

Answer

y=4x-2

Answer

y=x+1

Answer

y=x+7

Question 22

y=x+8

What is the missing number?

Accepted Answer

5

Answer

6

Answer

7

Answer

4

Answer

8

Question 23

What are the missing numbers in the table?

Accepted Answer

3, 6, 21, 30, 36

Answer

3, 7, 22, 30, 35

Answer

4, 5, 10, 13, 15

Answer

1, 2, 7, 10, 12

Question 24

Which equation best represents the relationship between x and y in the table shown?

Accepted Answer

y= 5x+5

Answer

y=1/5x+5

Answer

y=15x+5

Answer

y=10x+5

Question 25

___________is a relation that assigns exactly one output value to one input value.

Accepted Answer

A Function

Answer

A Dependent set

Answer

An independent relation

Answer

A Relation

Question 26

Describes the relationship between the input and the output.

Accepted Answer

function rule

Answer

function

Answer

relation

Answer

linear

Question 27

Another way to describe the input value of a function.

Accepted Answer

Independent value

Answer

Dependent Value

Answer

function

Answer

relation

Question 28

Another way to describe the output of a function.

Accepted Answer

Dependent Value

Answer

Independent Value

Answer

Function

Answer

Relation

Question 29

When the Input and output of a function table can be represented as a set of ordered pairs, they are called a what?

Accepted Answer

Relation

Answer

Dependent set

Answer

Output

Answer

Linear Set

Question 30

Forms a straight line when graphed.

Accepted Answer

Linear

Answer

Function Rule

Answer

Relation

Answer

Independent Value

Question 31

In the ordered pair, which set represents the domain?
{(6, -6), (7, -7), (3, -3)

Accepted Answer

3, 6, 7

Answer

-3, -6, -7

Question 32

Which quadrant is the ordered pair (-4, -6) located?

Accepted Answer

Quadrant 3

Answer

Quadrant 1

Answer

Quadrant 2

Answer

Quadrant 4

Question 33

Which ordered pair is in quadrant 1?

Accepted Answer

(2, 2)

Answer

(4, -1)

Answer

(-1,-1)

Answer

(-3, 3)

Question 34

The image is an example of _____________

Accepted Answer

coordinate grid

Answer

ordered pairs

Answer

domain

Answer

range

Question 35

Is the graph proportional or non proportional?

Accepted Answer

non proportional

Answer

proportional

Question 36

Which graph is proportional?

Accepted Answer

All of the graphs are proportional

Answer

A

Answer

B

Answer

C and D

Question 37

Question 37.

Accepted Answer

Not a Function

Answer

Function

Question 38

A function is a set of ordered pairs where each y value has an unique x value.
Which relation is NOT a function:

Accepted Answer

(1, 2), (1, 3), (1, 4), (1, 5)

Answer

(0, 1), (2, 3), (4, 5), (6, 7)

Answer

(0, 0), (1, 1), (2, 2), (3, 3)

Answer

(1, 1), (2, 1), (3, 1), (4, 1)

Question 39

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 40

What is full of holes but still holds water

Accepted Answer

sponge

Answer

a bucket

Answer

a dog

Answer

yourself

Question 41

Click on each word that means the "Domain"

Accepted Answer

Input

Accepted Answer

x values

Accepted Answer

Independent variable

Answer

Range

Answer

Dependent variable

Question 42

Which of the following are ways to represent functions?

Accepted Answer

Graph

Accepted Answer

Table

Accepted Answer

Mapping Diagram

Accepted Answer

List of ordered pairs in a set

Answer

Photo

Question 43

Which of the following are functions? Choose all that are.

Accepted Answer

(2,4) (3,6) (4,8) (5,10) (6,12)

Accepted Answer

(5,8) (6,9) (7,10) (8,11) (9,12)

Accepted Answer

(1,2) (2,2) (3,2) (4,2) (5,2) (6,2)

Answer

(1,0) (2, 3) (2, 4) (3, 5) (4, 6)

Answer

(3,4) (3,5) (3,6) (3,7) (3,8) (3,9)

Question 44

Pablo has $12. He earns $7 for every lawn he mows. Write an equation to find the amount of money "y" he will have after "x" number of lawns.

Accepted Answer

y = 7x + 12

Answer

y = 12x + 7

Answer

y = 12 + x + 7

Answer

y = 5x

Question 45

A water tank holds 84 gallons. When it began to leak it lost 3 gallons every hour. Write an equation to find the amount of water "y" the tank will have after "x" number of hours.

Accepted Answer

y = 84 - 3x

Answer

y = 3 - 84x

Answer

y = 3x - 84

Question 46

Elliot wants to sign up for a gym membership. The gym require a $35 fee to sign up, then $12 every month. Write an equation to find the amount Elliot will pay for his gym membership "y" after "x" amount of months.

Accepted Answer

y = 12x + 35

Answer

y = 35x + 12

Answer

y = 12x - 35

Question 47

Luxie wants to buy draw string bags for a fund raiser. We Make Bags charges $65 per order and $3.50 for each additional bag. Write an equation to find the amount of money "y" it will cost Luxie for "x" amount of bags.

Accepted Answer

y  = 3.5x + 65

Answer

y = 65x + 3.5

Answer

y = 65x - 3.5

Question 48

Which mapping diagrams are functions?

Accepted Answer

Option A is correct

Accepted Answer

Option B is correct

Accepted Answer

Option C is correct

Answer

D.

Answer

E.

Question 49

Which table is not a function?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 50

Which one is not part of the Avengers?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Answer

E.

Question 51

Which ones are not functions?

Accepted Answer

Option A is correct

Accepted Answer

Option C is correct

Answer

B.

Answer

D.

Answer

E.

Functions

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