# Question #04a42

##### 1 Answer

Nov 25, 2017

#### Explanation:

The range of a function is the range of values which the function can take given it's domain.

As the domain is not given, assume that it is all values of x which give a real y (in this case

Three important facts to remember in this question are that:

a) you can only take the square root of a positive number

b)

c) any real number squared

Using a), you know

Using a) the minimum value

Given the minimum and maximum it follows that