# How do you find domain and range for #f(x)=(x+4)/(x^2-4) #?

##### 1 Answer

Nov 29, 2017

The domain is

The range is

#### Explanation:

As we cannot divide by

Therefore,

The domain is

To determine the range, proceed as follows

Let,

This is a quadratic equation in

Therefore,

The range is

graph{(x+4)/(x^2-4) [-8.89, 8.89, -4.444, 4.445]}