Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 3 - Quadratic Functions - Exercises for Skills for Factoring - Page 135: 90



Work Step by Step

Rewrite the equation as $$\left(\frac{1}{x}\right)^{\frac{1}{3}}=-2$$ Therefore, cubing both sides creates $$\frac{1}{x}=-8$$ Finally, take the reciprocal of both sides to get $x=-\frac{1}{8}$.
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