Free Printable Functions

Worksheets

Functions

Total questions: 20

Worksheet time: 28mins

Name

Class

Date

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

f(1) = 1

f(1) = 4

f(1) = 0

f(1) = 3

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

-1

-5

What is the definition of a function?

Has inputs and outputs

Inputs have different outputs every time

x-values and

y-values

Every input has only one output

Yes

Is this is a function or not a function?

Function

Not a Function

Is this a function or not a function?

Function

Not a Function

Which set of ordered pairs is a function?

{(9,5), (10,5), (9,-5), (10,-5)}

{(3,4), (4,-3), (7,4), (3, 8)}

{(6,-5), (7, -3), (8, -1), (9, 1)}

{(2, -2), (5, 9), (5, -7), (1, 4)}

Is the relation a function? Why.

Yes, because the x-value 11 has two y-values pair with it.

Yes, because each x-value has only one y-value paired with it.

No, because the x-value 11 has two y-values pair with it.

No, because each x-value has only one y-value paired with it.

10.

Is this a function? Explain

4 lines

11.

Is this mapping a function or not a function?

Function

Not a Function

12.

Is this function linear or nonlinear?

Linear

Nonlinear

13.

Given f(x) = 5x + 3, what is the value of f(2)?

(a)

14.

Zach King is a new content creator on TikTok. His followers are gradually increasing and can be calculated using the function F(d) = $d^2+30d$ , where d is the number of days Zach has been on TikTok. Based on this model, how many followers will Zach have on day 10?

(a)