Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter 6 - Applications of the Derivative - Chapter Review - Review Exercises - Page 351: 14

Answer

The absolute maximum of f(x) on [-3,1] is 29 at x=-3. The absolute minimum of f(x) on [-3,1] is -3 at $x=\pm1$.

Work Step by Step

$f'(x)=-6x^{2}-4x+2$ $f'(x)=0 \rightarrow -6x^{2}-4x+2=0 \rightarrow x=\frac{1}{3}, x=-1 $ $f(\frac{1}{3})=\frac{-17}{27}$ $f(-1)=-3$ $f(-3)=29$ $f(1)=-3$ The absolute maximum of f(x) on [-3,1] is 29 at x=-3. The absolute minimum of f(x) on [-3,1] is -3 at $x=\pm1$.
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