Question

How to find instantaneous rate of change for `f(x)=x^3-x^2-2x 4` at x=2?

Answer 1

`f'(2)=6`

Explanation:

`f(x) =x^3 -x^2-2x+or-4`

`f'(x) =3x^2-2x-2`

`f'(2)=12-4-2=6`