Question

How do you find the derivative of `f(x)=5(x+1-1/x)`?

Answer 1

`f(x)=5+5x^-2`

Explanation:

First, distribute the `5`:

`f(x)=5x+5-5/x`

Rewrite `5/x` as `5x^-1`

`f(x)=5x+5-5x^-1`

Now use power rule:

`f(x)=5+5x^-2`