25 Nov 2021
Problem 42
Page 280
Section 4.3: Derivatives and Shapes of Curves
Chapter 4: Applications of Differentiation
Textbook ExpertVerified Tutor
25 Nov 2021
Given information
Note that given a function, 
.
Step-by-step explanation
Step 1.
First, find the intervals on which the function 
is increasing or decreasing.
- If
on an interval, then is increasing on that interval. - If
on an interval, then is decreasing on that interval.
Therefore, calculate the derivative of the function:
Single Variable Calculus: Early Transcendentals
4th Edition, 2018
Stewart
ISBN: 9781337687805
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