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Textbook Expert
Textbook ExpertVerified Tutor
9 Nov 2021

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Step-by-step explanation

Step 1.

 

Concept used:

The derivative of a function gives the slope.

When the slope continuously inreases, the function is concave upward.

When the slope continuously decreases, the function is concave downward.

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Single Variable Calculus: Early Transcendentals
4th Edition, 2018
Stewart
ISBN: 9781337687805

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