Identifying Functions from a function map

Front

Back

Function

Front

Back

Function

Front

Back

Not a Function

Front

Back

Not a Function

Front

Is the relation a function?

Back

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

Front

Does the mapping of these points represent a function?

Back

Function

Front

Is the following a function?

Back

No, it's not a function.

Front

Which is a function? Options: W, X, Y, Z

Back

Z

Front

The following is not a function because...

• There are two values that equal 2.
• x = 10 and x = 40 has two values each.
• In the f(x) column, the 5 repeats.
• This table is actually a function.

Back

x = 10 and x = 40 has two values each.

Front

Is this mapping a function or not a function? Options: Function, Not a Function

Back

Function