Question

If `f(x) = 4x -2` and `g(x) = e^(-x-1)`, what is `f'(g(x))`?

Answer 1

`f'(g(x))=4`

Explanation:

First, take the derivative of `f(x)`:

`f'(x)=4`

Now plug in `g(x)` in for `x` in `f'(x)`. However, there's no `x`. So that means that:

`f'(g(x))=4`