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

##### 1 Answer

Sep 2, 2017

Range of

#### Explanation:

Hence, the domain of

Since the coefficient of

Also,

Hence, the range of

We can see the range from the graph of

graph{-x^2 +9 [-28.87, 28.87, -14.43, 14.45]}