# What are the absolute extrema of # f(x)= 6x^3 − 9x^2 − 36x + 3 in [-4,8]#?

##### 1 Answer

Jun 9, 2018

#### Explanation:

In order to find the extrema, you need to take the derivative of the function and find the roots of the derivative.

i.e. solve for

solve for the roots:

Check the bounds:

Thus the absolute extrema are