Calculus 10th Edition

Published by Brooks Cole

Chapter 2 - Differentiation - 2.4 Exercises: 85

Answer

$f''(x)=2940(2-7x)^2$.

Work Step by Step

Using the Chain Rule: $f'(x)=(5)(-7)(4)(2-7x)^{4-1}=-140(2-7x)^3$. Using the Chain Rule: $f''(x)=(-140)(-7)(3)(2-7x)^{3-1}=2940(2-7x)^2$.

After 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.