Calculus 10th Edition

Published by Brooks Cole
ISBN 10: 1-28505-709-0
ISBN 13: 978-1-28505-709-5

Chapter 2 - Differentiation - 2.4 Exercises - Page 136: 3


$u=x^3-7.$ $y=\sqrt{u}.$

Work Step by Step

Working from the inside out: Take $x$; cube it and then subtract $7$ from it $\leftarrow$ "inner function." Take $x^3-7$; raise it to the power of $\dfrac{1}{2}\leftarrow$ "outer function." $u=x^3-7.$ $y=\sqrt{u}.$
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