Question

What are the approximate values of the minimum and maximum points of f(x) = x5 − 10x3 + 9x on [-3,3]?
A. maximum point: (–2.4, 37.014) and minimum point: (2.4, –37.014)
B. maximum point: (2.4, –37.014) and minimum point: (–2.4, 37.014)
C. maximum point: (–1.4, 33.014) and minimum point: (1.4, –33.014)
D. maximum point: (–3, 30) and minimum point: (3, –30)

Answer 1

Sorry I'm just here for help too ( with a similar question )  :((