Calculus Concepts: An Informal Approach to the Mathematics of Change 5th Edition

Published by Brooks Cole
ISBN 10: 1-43904-957-2
ISBN 13: 978-1-43904-957-0

Chapter 3 - Determining Change: Derivatives - 3.6 Activities - Page 237: 15

Answer

$f{'}(x)=4(3x+2)^{0.5}+6x(3x+2)^{-0.5}$

Work Step by Step

$f(x)=4x(3x+2)^{0.5}+93$ $f{'}(x)=\frac{d(4x(3x+2)^{0.5}+93)}{dx}$ $f{'}(x)=\frac{d(4x(3x+2)^{0.5})}{dx}+\frac{d(93)}{dx}$ $f{'}(x)=4\frac{d(x(3x+2)^{0.5})}{dx}+0$ $f{'}(x)=4(3x+2)^{0.5}\frac{d(x)}{dx}+4x\frac{d(3x+2)^{0.5}}{dx}$ $f{'}(x)=4(3x+2)^{0.5}+4x(0.5)(3x+2)^{0.5-1}\frac{d(3x+2)}{dx}$ $f{'}(x)=4(3x+2)^{0.5}+4x(0.5)(3x+2)^{-0.5}(3)$ $f{'}(x)=4(3x+2)^{0.5}+6x(3x+2)^{-0.5}$
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