Calculus: Early Transcendentals 9th Edition

Published by Cengage Learning
ISBN 10: 1337613924
ISBN 13: 978-1-33761-392-7

Chapter 5 - Section 5.1 - Areas and Distances - 5.1 Exercises - Page 381: 3

Answer

a. 0.634525, underestimate b. 0.759525, overestimate

Work Step by Step

a. As seen in the graph, the estimate is less than the actual area of the area under the curve. b. As seen in the graph, the estimate is greater than the actual area of the area under the curve when taken with left endpoints. The graph is concave upwards and decreasing.
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