# How do you find the domain and range and determine whether the relation is a function given :#y=7x-6#?

##### 1 Answer

Dec 23, 2017

The relation is a function.

The domain and range are both all real numbers, or

#### Explanation:

First, this relation is a function. A **function** means that the **input only has ONE output**, or that **each x-value can only have ONE y-value**.

This equation **All non-vertical lines are functions.**

Also, since it is a line, that means that the **domain and range are both all real numbers, or #(-oo, oo)#**