Ok..i figured out how to get the derivative...and then i know you have to set x to zero..so do you multiply each by zero? thereby giving you zero for each section?
Ok..i figured out how to get the derivative...and then i know you have to set x to zero..so do you multiply each by zero? thereby giving you zero for each section?
Not quite.
Set $\displaystyle f'(x)=0$ and then solve for x. At this point it's algebra man.