tanmarten999Lv1
9 Nov 2021
Problem 14d
Page 324
Section: Review Exercises
Chapter 4: Applications of Differentiation
Textbook ExpertVerified Tutor
9 Nov 2021
Given information
Note that the given expression is , and .
Step-by-step explanation
Step 1.
Calculate .
Note that these two are the point of inflection.
Substitute the values in the equation.
The interval will be .
Hence,
Concave downward in the interval of .
Concave upward in the interval of .
These points are points of inflection
.