The graph of the derivative f\' of a continuous function f is shown. On what int

Question

The graph of the derivative f' of a continuous function f is shown. On what interval is f increasing? (Enter your answer in interval notation.) On what interval is f decreasing ?(Enter your answer in interval notation.) At what value(s) of x does f have a local maximum? (Enter your answers as a common-separated list.) At value (s) of x f have a local minimum ? (Enter your answers as a common-separated list.) On what interval is f concave upward? (Enter your answer in interval notation.) On what interval is f concave downword? (Enter your answer in interval notation.)

Explanation / Answer

a) [0,2],[4,6),[8,9] increasing [2,4],(6,8] decreasing b) x=2 maxima x=4 and 8 minima c) concave upward [2,6) ,(6,9] concave downward [0,4]

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