Identifying Functions: Maps and Tables

Front

Does this mapping diagram represent a function?

Back

Yes, it is a function.

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.

Front

Does this table represent a function?

Back

Yes, it is a function.

Answer explanation

Each x value goes to one y value.

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.

Front

Does the table represent a function?

Back

No, it is not a function.

Front

Function

Back

Every input has only ONE output.

Front

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

Back

Range

Front

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

Back

Domain

Front

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

Back

y = kx

Front

Back