Unit Test Review

What is the definition of function?

• Has inputs and outputs

• Every input has only ONE output

• Inputs have different outputs every time

• x-values and y-values

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.

Is this table a function or not a function? 

• Function
• Not a Function

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

Given h(x) = 5 - 9x, find h(8). 

Mathematical Equivalence

ON

Evaluate f(-2) if f(x) = x²+ 3

• -1
• 1
• 7
• -7

Evaluate f(-5) if f(x) = -2x - 12

• -22
• -2
• -19
• -5

• 1

• -1

• 6

• -6

g(x) = 11 - x
Find g(x) = -7 

• 4
• 17
• 18
• -77