Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 4 - Polynomials - 4.3 Polynomials - 4.3 Exercise Set - Page 252: 60

Answer

81

Work Step by Step

Plugging in the given values of x and simplifying, we find: $$\frac{1}{3}x^4-2x^3 \\ \frac{1}{3}\cdot \:3^4-2\cdot \:3^3 =-27 \\ \frac{1}{3}\left(-3\right)^4-2\left(-3\right)^3=81$$
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