The figure below shows the graph of f', the derivative of f, on the interval [-5, 4]. The function f is differentiable on the interval and f(-4) = 0. (a) Find f'(-2) and f"(-2). f'(-2) = f"(-2) = -5-4-3-2 X = (b) At which x-values does f have a relative extrema on the interval (-5, 0)? (Enter your answers as a comma-separated list.) 12 (c) Find all intervals on which the graph of f is concave downward. (Enter your answer using interval notation.) X = (d) Find the x-coordinate of each of the points of inflection of the graph of f. (Enter your answers as a comma-separated list.)

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