Functions, Functions, Functions

Front

Is this graph a function or not a function?

Back

Function

Front

Is the relation a function? Why?

Back

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

Front

Does the table represent a function?

Back

No, there is a repeated x-value.

Front

All of the x values or inputs are called what?

Back

Domain

Front

All of the y values or outputs are called what?

Back

Range

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

What is the domain of a function?

Back

The set of all possible input values (x-values).

Front

What is the range of a function?

Back

The set of all possible output values (y-values).

Front

Can a function have the same y-value for different x-values?

Back

Yes, a function can have the same y-value for different x-values.

Front

What is a vertical line test?

Back

A method to determine if a graph represents a function; if a vertical line crosses the graph more than once, it is not a function.