Functions With Mapping

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

How can you determine if a table or ordered pairs represents a function?

• for every y-value there is only one x-value

• for every x-value there is only one y-value

• vertical line test

• for every x-value there is more than one y-value

Tags

CCSS.8.F.A.1

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (9, 1)

• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

Is this mapping a function or not a function? 

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is this a function or not a function?

• Function

• Not a function

Tags

CCSS.8.F.A.1

Is the mapping a function or not?

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is this mapping a function or not a function? 

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is it a function?

• Yes

• No

Tags

CCSS.8.F.A.1

Function or Not a Function

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Why is this not a function?

• Not a function because each input has exactly one output

• Not a function because an input has more than one output

Tags

CCSS.8.F.A.1