- #1

- 153

- 1

## Homework Statement

Find the values of a and b if the function f(x) = 2x

^{3}+ ax

^{2}+ bx + 36 has a local maximum when x = −4 and a local minimum when x = 5.

## Homework Equations

I'm not even sure how to start this, it's just baffling me for some reason

## The Attempt at a Solution

i do not have one... sorry.