# What is the range of the function #f(x)= -sqrt((x^2) -9x) #?

##### 2 Answers

Jul 8, 2017

#### Answer:

Range of

#### Explanation:

First let's consider the domain of

Hence where

Now consider:

Also:

Hence the range of

This can be seen by the graph of #f(x) below.

graph{-sqrt(x^2-9x) [-21.1, 24.54, -16.05, 6.74]}

Jul 8, 2017

#### Answer:

**Range :** **in interval notation :**

#### Explanation:

Range: Under root should be

Range :

graph{-(x^2-9x)^0.5 [-320, 320, -160, 160]} [Ans]