Defining, Comparing, Identifying Functions

Is this graph a function or not a function? 

• Function

• Not a Function

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

• Function
• Not a Function

• Function
• Not a Function

All of the x values are called what?

• Inputs

• Range

• Relation

• Function

• Function
• Not a Function

All of the y values are called what?

• Domain

• Outputs

• 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.

Is this mapping a function or not a function?

• Function; the x's don't repeat

• Not a Function; the x's repeat