Functions and Relations Unit Review

Evaluate f(-2) if f(x) = x²+ 3

• -1
• 1
• 7
• -7

What is f(1)?

• 1
• 5
• 0
• 4

What is x if
f(x) = -2?

• 4
• 0
• 3
• 8

Given f(x) = x² - 7x
Find f(-8).  

• f(8) = 120
• f(8) = 8
• f(8) = -120
• f(8) = -8

Let w(x) = 3x - 7. If w(x) = 14, find x.

• 7
• 35
• 2.33333
• -49

H(5) =

• 5
• 16
• 18
• 20

Is this mapping a function or not a function? 

• Function
• Not a Function

Is this graph a function or not a function? 

• Function 
• Not a Function

Is this mapping a function or not a function? 

• Function
• Not a Function 

Is this set of ordered pairs a function or not a function? 

• Function
• Not a Function