Answer
$f'(x)=e^{7x}(1+7x)$
Work Step by Step
$f(x) = xe^{7x}$
Product Rule:
$f'(x) = (1)(e^{7x}) + (x)(7e^{7x}) = e^{7x}(1+7x)$
Calculus: Early Transcendentals (2nd Edition)
by Briggs, Bill L.; Cochran, Lyle; Gillett, Bernard
Published by
Pearson
ISBN 10:
0321947347
ISBN 13:
978-0-32194-734-5
Chapter 3 - Derivatives - 3.4 The Product and Quotient Rules - 3.4 Exercises - Page 160: 43
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