# Function Notation and Properties

### Function, function, what's your...function?

## Domain and Range

The

**domain**of a function is the set of all values (inputs) of the independent variable for which the function is defined.The **range** of a function is the set of all values (outputs) assumed by the dependent variable.

## Function Each input has exactly 1 output. | ## Not a function There are more than 1 output for each input. | ## Not a function There are more than 1 output for each input. |