Calculus: Early Transcendentals (2nd Edition)

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: 74

Answer

22

Work Step by Step

$\frac{d}{dy}(f(x)g(x))$ evaluated @ x=1 $=f(x)g'(x)+f'(x)g(x)$ $=f(1)g'(1)+f'(1)g(1)$ $=5\times2+3\times4$ $=22$
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