3.2 pre-algebra function review

What is the range?

What is the range?

Is it a function?

(yes or no)

What is the domain?

Is this table a function or not a function? 

• Function
• Not a Function 

Does this represent Y as a function of X?

• Yes each domain maps to one range

• No some domains map to more than one range

Does this represent a function?

• Yes each domain maps to one range

• No some domains map to more than one range

Which statement describes the mapping?

• The mapping represents does not represent a function because some values in the range are mapped to more than one domain

• The mapping does represent a function because each range is only mapped to one domain

• The mapping is a function because each domain is mapped to only one range

• The mapping does not represent a function because some domain values are mapped to more than one range.

Is the graph showing a function?

• Yes

• No

Is this graph a function or not a function? 

• Function

• Not a Function