Problem require the use of a graphing calculator. For each problem, find f'(x) and approximate (to four

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Problem require the use of a graphing calculator. For each problem, find f'(x) and approximate (to four decimal places) the value(s) of x where the graph of f has a horizontal tangent line.

f(x) = 0.25x4 - 2.6x3 + 8.1x2 - 10x + 9

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College Mathematics For Business Economics, Life Sciences, And Social Sciences

ISBN: 978-0134674148

14th Edition

Authors: Raymond Barnett, Michael Ziegler, Karl Byleen, Christopher Stocker

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