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

• 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

Which set of values is a function?

• {(3,4) (4,-3) (7,4) (3, 8)}

• {(6,-5) (7, -3) (8, -1) (9, 1)}

• {(2, -2) (5, 9) (5, -7) (1, 4)}