Consider the function below. In x 9√x (a) Find the interval on which f is increasing. (Enter your answer using interval notation.) f(x) = = Find the interval on which f is decreasing. (Enter your answer using interval notation.) (b) Find the local maximum value of f. (c) Find the inflection point. (x, y) = Find the interval on which f is concave up. (Enter your answer using interval notation.) Find the interval on which f is concave down. (Enter your answer using interval notation.)

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