What are the points of inflection, if any, of #f(x) = -3x^4-2 x^3 +9 #?
1 Answer
Jan 3, 2016
In order to find the points of inflection we need to find the roots of
Hence from
so the roots are
The possible points of inflection are
But Inflection points are where the function changes concavity.This is happening only for
So the inflection point is