How do you find all points of inflection given #y=-x^5+2x^3+4#?
1 Answer
Dec 21, 2017
Inflection points at
Explanation:
Find the second derivative:
#y' = -5x^4 + 6x^2#
#y'' = -20x^3 + 12x#
This will have points of inflection when
#0 = -20x^3 + 12x#
#0 = -4x(5x^2 - 3)#
This means that
Hopefully this helps!