What are the points of inflection, if any, of #f(x) = 5x^3 + 30x^2 - 432x #?
1 Answer
May 22, 2018
Explanation:
points of inflection are where
in this problem,
since
if you plug in x-values near -2, you can see that
to find point of inflection:
the point of inflection is
check with the graph of
graph{5x^3+30x^2-432x [-14, 10, -10000, 10000]}
it seems to change concavity around