# How do you find the domain and range for #f(x)=sqrt(4-2x)#?

##### 1 Answer

Mar 4, 2018

#### Explanation:

You may know that the content in a square route should be equal to or more than 0.

So, first we suppose that:

so the x can take values from 2 and less than 2 ,for example: 1,0,...,