Concavity Practice Problem 3 - Calculus
Free calculus lecture presented by http://www.free-academy.com analyzing graphs. Problem: For f'(x)=x^2-2x-8: a) find the intervals on which f is increasing and decreasing b)find intervals on which the graph of f is concave up and concave down c) find the x coordinates of the relative extrema and inflection points of f d) sketch a possible graph for f(x).
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