Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 2 - Section 2.3 - Polynomial Functions and Their Graphs - Exercise Set - Page 350: 67


a. $x=-1$, odd multiplicity, $x=3$, even multiplicity b. $y=(x+1)(x-3)^2$ c. $y=9$

Work Step by Step

Using the graph given in the exercise, we have: a. zeros: $x=-1$, odd multiplicity, $x=3$, even multiplicity, b. We can write the equation as $y=(x+1)(x-3)^2$ c. The y-intercept can be found as $y=9$ from the above equation by letting $x=0$, or by reading from the given graph.
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