Calculus: Early Transcendentals (2nd Edition)

Published by Pearson
ISBN 10: 0321947347
ISBN 13: 978-0-32194-734-5

Chapter 6 - Applications of Integration - 6.2 Regions Between Curves - 6.2 Exercises - Page 418: 46

Answer

$\dfrac{111}{12}$

Work Step by Step

Let us consider that two continuous functions $f(x)$ and $g(x)$ with $f(x)\geq g(x)$ on the interval $[a,b]$ . The area (A) of the region bounded by the graph of $f(x)$ and $g(x)$ on the interval $[a,b]$ can be calculated as: $Area(A)=\int_a^b [f(x)-g(x)] \ dx$ Thus, the area of the region is: $A=\int_a^b [f(x)-g(x)] \ dx\\ = \int_{-1}^{0} [\dfrac{7x+10}{3}+x^3] \ dx+ \int_0^2 [\dfrac{7x+10}{3}-x^3] \ dx \\= [\dfrac{7x^2}{3}+\dfrac{10x}{3}+\dfrac{x^4}{4}]_{-1}^0 + [\dfrac{7x^2}{3}+\dfrac{10x}{3}-\dfrac{x^4}{4}]_{0}^2\\= [0-(\dfrac{7}{6}-\dfrac{10}{3}+\dfrac{1}{4}]+ [\dfrac{14}{3}+\dfrac{20}{3}-4-0]\\=\dfrac{111}{12}$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.