Quiz about Functions, Functions, Functions!!

Question 1

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 2

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 3

All of the y values or outputs are called what?

Accepted Answer

Range

Answer

Domain

Answer

Relation

Answer

Function

Question 4

All of the x values or inputs are called what?

Accepted Answer

Domain

Answer

Range

Answer

Relation

Answer

Function

Question 5

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 6

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 7

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

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

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 10

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 11

How would you write y = 2x - 3 in function notation?

Accepted Answer

f(x) = 2x-3

Answer

y = 2x-3

Answer

f = 2x - 3

Question 12

How do you read f(x)?

Accepted Answer

f of x

Answer

f x

Answer

f parenthesis x

Answer

f with an x inside parenthesis

Question 13

If a question asks you to find f(2), what does that mean?

Accepted Answer

Let x = 2

Answer

Let y = 2

Question 14

If f(x) = 2x + 1, what would be your first step to find f(1)?

Accepted Answer

Plug a 1 in for all the x's

Answer

Set the function equal to 1

Answer

Only plug a 1 into the left side

Answer

Only plug a 1 into the right side

Question 15

If f(x) = 2x + 1, find f(1).

Accepted Answer

f(1) = 3

Answer

f(1) = 1

Answer

f(1) = 4

Answer

f(1) = 0

Question 16

If I know that f(2) = 4, what is another way I can write my answer?

Accepted Answer

(2, 4)

Answer

2,4

Answer

That is the only way to write it.

Question 17

If f(x) = -3x - 8, find f(-1).

Accepted Answer

f(-1) = -5

Answer

f(-1) = 5

Answer

f(-1) = -12

Answer

f(-1) = -10

Question 18

f(x) = x² + 7
x(3) = ______

Accepted Answer

16

Answer

13

Answer

15

Answer

14

Question 19

What is g(7) if:

Accepted Answer

17

Answer

-17

Answer

-13

Answer

13

Question 20

Question 20.

Accepted Answer

$43.40

Answer

$12.75

Answer

$35

Answer

$27.75

Question 21

Evaluate f(0)

Accepted Answer

0

Answer

19

Answer

9

Answer

-19

Functions, Functions, Functions!!

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