Functions Vocabulary

Front

What do the x values in a function represent?

Back

Input

Front

What do the y values in a function represent?

Back

Output

Front

How can you determine if a graph is a function?

Back

A graph is a function if each x-value has exactly one corresponding y-value.

Front

What is the set of outputs in a relation called?

Back

Range

Front

What is a dependent variable?

Back

A variable that depends on the value of some other number (the y value).

Front

What is an independent variable?

Back

A variable that does NOT depend on the value of some other number (the x value).

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 an ordered pair?

Back

A pair of numbers (x, y) that represent a point on a graph.

Front

What does it mean for a relation to be not a function?

Back

If at least one x-value corresponds to more than one y-value.