# How do you find the domain of #sqrt(x+4)#?

##### 2 Answers

Mar 26, 2018

The domain is

#### Explanation:

Since square roots are only defined when the expression under the square root is non-negative, to find the domain we set the expression under the square root greater than or equal to zero:

Mar 26, 2018

#### Explanation:

Firstly you know that there can't be a negative under a square root

So when

So when

So the domain is