Answer
$\dfrac{-10}{x^2}$
Work Step by Step
$ f^{,}(x)=\dfrac{df(x)}{dx}=10 \dfrac{d(x^{-1})}{dx}$
Since, $ \dfrac{d(x^{-1})}{dx}=(-1) x^{-2} = \dfrac{-1}{x^2}$
So, $ f^{,}(x)=\dfrac{-10}{x^2}$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 11 - Test - Page 1180: 14
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
