College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Appendix - Graphing Utilities - 3 Using a Graphing Utility to Locate Intercepts and Check for Symmetry - 3 Exercises - Page A6: 11

Answer

$1\text{ and }23$

Work Step by Step

Using the ZERO function of a graphing utility to get the positive x-intercepts we get: $ZERO(x^3 + 19.5x^2 - 1021x + 1000.5)=1\text{ and }23$
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