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: 91

Answer

$\pm2,3$

Work Step by Step

1. List possible rational zeros: $\pm1,\pm2,\pm3,\pm4,\pm6,\pm12$ 2. Graph the function and identify the x-intercepts: $\pm2,3$ 3. Compare with the listed rational zeros. 4. We conclude that the rational zeros are $\pm2,3$.
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