Identifying Functions: Maps and Tables

Front

Does this mapping diagram represent a function?

Back

Yes, it is a function.

Tags

CCSS.8.F.A.1

Front

Does this mapping diagram represent a function?

Back

No, it is not a function.

Answer explanation

There is more than one arrow coming from -35, so it is not a function. The input -35 has two outputs.

Tags

CCSS.8.F.A.1

Front

Does this table represent a function?

Back

Yes, it is a function.

Answer explanation

Each x value goes to one y value.

Tags

CCSS.8.F.A.1

Front

Does the table represent a function?

Back

No, it is not a function.

Answer explanation

The x-values 3,2 and 1 repeat so it is not a function.

Tags

CCSS.8.F.A.1

Front

Does the table represent a function?

Back

No, it is not a function.

Tags

CCSS.8.F.A.1

Front

Function

Back

Every input has only ONE output.

Tags

CCSS.8.F.A.1

Front

All of the y-values or outputs are also called...

Back

Range

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

All of the x-values or inputs are also called...

Back

Domain

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

A proportional relationship can be written in as an equation as.....

Back

y = kx

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

Back

Tags

CCSS.6.EE.C.9