# What is the domain and range of # f(x)= (3x) /(x^2-1)#?

##### 1 Answer

Jul 2, 2018

The domain is

#### Explanation:

As you cannot divide by

Therefore,

So,

The domain is

To calculate the range, let

This ia a quadratic equation in

Therefore,

So,

The range is

graph{3x/(x^2-1) [-18.02, 18.02, -9.01, 9.02]}