Bellwork

f(x) is the same thing as ______.

• y
• x
• input
• an equation

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

• 4
• 0
• 3
• 8

Given h(x) = 5 - 9x, find h(8). 

• h(8) = -360
• h(8) = -67

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

• -1
• 1
• 5
• -5

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.

Which set of values 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 this graph a function or not a function? 

• Function
• Not a Function

Is this graph a function or not a function? 

• Function
• Not a Function

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function