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

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

Chapter 3 - Quadratic Functions - 3.1 Introduction to the Family of Quadratic Functions - Exercises and Problems for Section 3.1 - Exercises and Problems - Page 121: 22


Concave down

Work Step by Step

Simplifying the expression: $$3\left(-2x^2+9x-4\right) \\ -6x^2+27x-12$$ Since the coefficient in front of x is negative, the graph is concave down.
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