Identifying Functions

Front

Does this mapping diagram represent a function?

Back

Yes, because each input goes to one and only one output

Front

Function

Back

Every input has only one output

Front

Is the relation a function?

Back

No, because the x-value 11 has two y-values paired with it.

Front

Does the table represent a function?

Back

Yes

Front

How do you use the vertical line test?

Back

Draw vertical lines through your graph. If any of the vertical lines you draw intersects the graph more than once then the graph is not the graph of a function.

Front

Which of these tables represent a function? (A to D from top to bottom)

Back

A

Front

Which of the following is a function?

Back

Front

Is the function linear or nonlinear?

Back

Nonlinear Function