My name is Sarah and I'm a Calculus student. My question is this:
and the derivative is f'(x)=6x2+8x-9,
how do I find the critical points if f'(x) is not factorable??
Any help will be greatly appreciated
If you have a quadratic you can always use the general quadratic to solve for the roots, even if you can't factor the expression. If
then the roots are