# Let #f(x) = x^2 - 16# how do you find #f^-1(x)#?

##### 2 Answers

This is a way to express finding the inverse function of

#### Explanation:

First, write the function as

Next, switch the

The inverse function should be

Mar 21, 2018

Please refer to the **Explanation.**

#### Explanation:

Suppose that,

Observe that,

**does not exist.**

However, if **suitable domain,** e.g.,

**exists** as **Respected Serena D.** has shown.