Find the intervals on which f is concave upward or concave downward, and find the inflection points

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Find the intervals on which f is concave upward or concave downward, and find the inflection points of f.

f(x) = x3 – 3x2 – 9x + 4

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Calculus Early Transcendentals

ISBN: 9781337613927

9th Edition

Authors: James Stewart, Daniel K. Clegg, Saleem Watson, Lothar Redlin

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