Review Questions: Functions

A set of ordered pairs is called what?

• the domain

• a relation

• a function

• the range

What is the domain of a relation?

• the set of all x-values

• the set of all y-values

Which is the set of all y-values or the outputs?

• Domain

• Range

• Relation

• Function

Does the graph represent a function?

• Yes

• No

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 this set of ordered pairs a function or not a function? 

• Function
• Not a Function 

Is this graph pictured a function?

• Yes

• No

Which graph does NOT pass the vertical line test?

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

Is this graph a function or not a function?

• Function

• Not a Function