Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 2 - Functions - 2.6 Concavity - Exercises and Problems for Section 2.6 - Exercises and Problems - Page 106: 7



Work Step by Step

When a cubic function is greater than 0, it is always concave up, assuming the coefficient in front of the $x^3$ term is positive.
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