Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 6 - Applications of the Integral - Chapter Review Exercises - Page 319: 4

Answer

$A$ = $\frac{9}{4}$

Work Step by Step

$A$ = $\int_{-2}^{-\frac{1}{2}}[(x^{2}+2x)-(x^{2}+x-2)]dx$ + $\int_{-\frac{1}{2}}^{1}[(x^{2}-1)-(x^{2}+x-2)]dx$ $A$ = $\int_{-2}^{-\frac{1}{2}}[x+2]dx$ + $\int_{-\frac{1}{2}}^{1}(-x+1)dx$ $A$ = $(\frac{1}{2}x^{2}+2x)|_{-2}^{-\frac{1}{2}}$ + $(-\frac{1}{2}x^{2}+x)|_{-\frac{1}{2}}^{1}$ $A$ = $\frac{9}{4}$
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