Intro to functions

All of the x values or inputs are called what?

• Domain

• Range

• Relation

• Function

All of the y values or outputs are called what?

• Domain

• Range

• Relation

• Function

What are 3 different ways to represent ordered pairs?

• Mapping Diagram

• Table

• Inequalities

• Graph

What is the definition of function?

• Has inputs and outputs
• Every input (x-value) has only ONE output (y-value)

• Inputs have different outputs every time
• x-values and y-values

Is this table a function or not a function?

• Function

• Not a Function

• Function
• Not a Function

• Yes
• No

Which of these tables represent a function?

• A
• B
• C
• D

• 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.