Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 4 - Inverse, Exponential, and Logarithmic Functions - 4.1 Inverse Functions - 4.1 Exercises - Page 416: 21

Answer

one-to-one

Work Step by Step

The graph of $y=2x^{3}-1$ is obtained from the graph of $y=x^{3}$ by vertical stretching with factor 2, and a shift down by 1 unit. This graph passes the Horizontal Line Test, so the function is one-to-one
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