Calculus: Early Transcendentals 9th Edition

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

Chapter 2 - Review - Exercises - Page 168: 31

Answer

The domain of $h(x) = xe^{sin~x}$ is $(-\infty, \infty)$, and $h(x)$ is continuous on this domain.

Work Step by Step

$sin~x$ is continuous for all real numbers and $e^x$ is continuous for all real numbers. Then $e^{sin~x}$ is continuous for all real numbers. The function $f(x) = x$ is continuous for all real numbers. Therefore the product of $x$ and $e^{sin~x}$ is continuous for all real numbers. The domain of $h(x) = xe^{sin~x}$ is $(-\infty, \infty)$, and $h(x)$ is continuous on this domain.
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