Functions are FUN!

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

• 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

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.

• 8

• -24

• 24

• -22

• 84

• 92

• 116

• 64

Which graph does NOT pass the vertical line test?

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

The function h(t) represents the amount made at Best Buy after t hours. What does the notation h(4) = 500,000 mean?

• After 500,000 hours Best Buy made $4

• Best Buy makes money at a rate of 500,000/4 hours per dollar

• After 4 hours Best Buy has made $500,000

• Best Buy makes money at a rate of $500,000 hours per week

The inverse has been reflected over which line?

• y = x
• y =1
• y = 0
• y = x + 1