# How do you write # y = 3sqrt(1 + x^2)# as a composition of two simpler functions?

##### 2 Answers

Aug 11, 2015

Define these functions:

Then:

Aug 13, 2015

There is more than one way to do this.

#### Explanation:

Adrian D has given one answer, here are two more:

Let

Now

It may be easier to think about if we gave

So we see that

So

**Another answer** is to let

So let

To get

So let