Posted by **Martha** on Sunday, November 4, 2012 at 7:22pm.

let f(x) = 2x^5-5x^4

find open intervals on which f is

a) increasing

b)decreasing

Find values of x at which f has

c) relative max and min

find open intervals

d) concave upward

e) concave downward

c) find the inflection points of f

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