# What is the domain and range of #F(x) = x^2 - 3#?

##### 1 Answer

Aug 11, 2015

Domain:

Range:

#### Explanation:

Your function is defined for all values of

In order to find the function's range, you need to take into account the fact that the square of *any real number* is **positive**.

This means that the minimum value of

So, the domain of the function is

graph{x^2 - 3 [-10, 10, -5, 5]}