Precalculus (6th Edition) Blitzer

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

Chapter 2 - Review Exercises - Page 431: 68


1 real zero and 4 imaginary zeros

Work Step by Step

Step 1. Based on the graph, we can identify that the curve crosses the x-axis 1 time, given 1 real zero. Step 2. We can not identify that the curve touches the x-axis and turns around, indicating no real zero with multiplicity. Step 3. We can conclude that there is 1 real zero and 4 imaginary zeros (total degree 5).
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