Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 1 - Precalculus Review - 1.5 Technology: Calculators and Computers - Exercises - Page 35: 3

Answer

Two positive roots: $x=0.69459$, $x=3.06417$

Work Step by Step

By using the Maple program, we can graph the function $y=x^3-12x+8$ and calculate its roots by observing where the graph crosses the x-axis. We have two positive roots: $x=0.69459$, $x=3.06417$. See the graph below.
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