Question: Consider the following. (If an answer does not exist, enter DNE.) f ' ( x ) =25 x 2 9 (a) Find the open intervals

Consider the following. (If an answer does not exist, enter DNE.) f'(x) =25x29

(a) Find the open intervals on whichf'(x)is increasing or decreasing. (Enter your answers using interval notation.)

increasing

decreasing

(b) Find the open intervals on which the graph offis concave upward or concave downward. (Enter your answers using interval notation.)

concave upward

concave downward

(c) Find thex-values of the relative extrema off. (Enter your answers as a comma-separated list.)

relative maximumx=

relative minimumx=

Find thex-values of the inflection points off. (Enter your answers as a comma-separated list.)

x=

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