Functions Test

Which mapping represents the relation {(-2, 4), (4, 2), (2, 4), -4, 2)}?

• B
• C
• D

Which statement is true about the relation {(-2, 4), (4, 2), (2, 4), -4, 2)}?

• The relation is NOT a function because all the y-values are not different.

• The relation is a function because the y-values are different.
• The relation is a function because all the x-values are different.

Which of the graphs shown is a function?

• F
• G
• J

Which of these tables represent a function?

• A
• B
• C

• Function
• Not a Function

Is this mapping a function or not a function? 

• Function
• Not a Function 

Is this graph a function or not a function? 

• Function 
• Not a Function

Is this table a function or not a function? 

• Function
• Not a Function 

A set of ordered pairs is called what?

• Relation
• Function
• Vertical Line Test

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• x-values and y-values