CFU: Lessons One and Two

The domain are the ______ values.

• y

• x

• Both x and y

The range are the _____ values.

• y

• x

• Both x and y

g(x), h(x), and f(x) all mean

• x=

• y=

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 this mapping a function or not a function? 

• Function
• Not a 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.

Is this graph a function or not a function? 

• Function
• Not a Function

• 27

• 21

• 24

• 72

• 30

• 62

• 14

• 32

• 106

• 16

• 26

• 94