# Is #sqrt(x+5)# a function?

##### 1 Answer

Jun 7, 2018

#### Answer:

Yes

#### Explanation:

This is the square root function moved -5 units horizontally. It passes the "vertical line test" i.e. there is only one unique output in the range for each domain input so it is a function.

graph{sqrt(x+5) [-10, 10, -5, 5]}