Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 3 - Section 3.4 - Real Zeros of Polynomials - 3.4 Exercises - Page 285: 92

Answer

$\pm1,\pm2$

Work Step by Step

1. List possible rational zeros $\pm1,\pm2,\pm4$ 2. Graph the function and identify the x-intercepts $\pm1,\pm2$ 3. Compare with the list. 4. We conclude that the rational zeros are $\pm1,\pm2$
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