How do I find the relative extrema of this function?
#f(x)# =#-x^4# +#2x^3# +#8x#
I know that I am looking for the derivative of this function, which I figured out, but I get lost when I set the derivative to zero since I'm dealing with a cubic polynomial. Thank you for helping!
I know that I am looking for the derivative of this function, which I figured out, but I get lost when I set the derivative to zero since I'm dealing with a cubic polynomial. Thank you for helping!
1 Answer
Jul 18, 2018
See the answer below: