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12 Nov 2021
Problem 6c
Page 280
Section 4.3: Derivatives and Shapes of Curves
Chapter 4: Applications of Differentiation
Textbook ExpertVerified Tutor
12 Nov 2021
Given information
As per the given question,
Step-by-step explanation
Step 1.
The graph is concave up when and concave downward when .
The derivative of is positive when is increasing.
The derivative of is negative when is decreasing.
It is visible from the graph that the graph is concave up when
The graph is concave down when,