Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 3 - Linear and Quadratic Functions - 3.3 Quadratic Functions and Their Properties - 3.3 Assess Your Understanding - Page 145: 9



Work Step by Step

Using the formula $x=\frac{-b}{2a}$, the x coordinate of the vertex of the given function is $x=\frac{-4}{2(-1)}=\frac{-4}{-2}=2$ Thus, the y-coordinate of the vertex of the graph of the given function is $f(2), Hence the given statement is true.
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