The function f has a domain of all real numbers. Its derivative, f'is graphed below. A B Graph of f' NOT f D KF 4 F N 10 1 GH f All of the following questions are about f. Use the graph of f' to answer the following. (a) on what interval(s) is f increasing? (A,C)| (b) At which of the marked x-value(s) is f greatest? C hs (c) At which of the marked x-value(s) is f changing from decreasing to increasing? A (d) At which of the marked x-value(s) is f decreasing the fastest? H (e) At which of the marked x-value(s) does the graph of f change concavity? B.D.H

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