Answer
$-3.0, -1.4, 1.4$
Work Step by Step
Step 1. Graph the function $f(x)=x^3+3x^2-2x-6$ as shown in the figure.
Step 2. Use the graph to approximate zeros as $x=-3.0, -1.4, 1.4$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 3 - Polynomial and Rational Functions - 3.4 Polynomial Functions: Graphs, Applications, and Models - 3.4 Exercises - Page 353: 79
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