Question

How do you find the derivative of `f(x) = 3x^4-9x^3+5`?

Answer 1

`f'(x) = 3x^2(4x-9)`

Explanation:

`f(x) = 3x^4-9x^3+5`

`f'(x) = 12x^3-27x^2 +0` (Power rule)

`= 3x^2(4x-9)`