# What is a function?

##### 1 Answer

Mar 25, 2018

A function is a set of ordered pairs (points) formed from a defining equation, where, for each

#### Explanation:

This means that you can choose an

This will give you a

In a function there will be only ONE possible answer for

If you find you have a choice, then the equation does not represent a function.

The following are functions:

The following are NOT functions: