# What is the domain and range of the function #f(x) =sqrt(x-9)#?

##### 1 Answer

Oct 14, 2017

#### Answer:

**Domain: #(-oo, 9) uu (9, oo)#
Range: #(0, oo)#**

#### Explanation:

**Domain:**

Domain = x-values

When we find the domain of a root, we first have to set it to

**Range:**

Range = y-values

The range of a square root function is

So if you write the range in interval notation, it looks like this: