# How do you find the domain and range and determine whether the relation is a function given :#y=3x#?

##### 1 Answer

Dec 17, 2017

Domain:

Range:

#### Explanation:

To find the domain, we look at where the function is defined with real numbers. In this case, all values are defined, so we get a domain of all real numbers,

The range is also pretty straight forward. Since the function goes from