College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 4 - Review Exercises - Page 468: 4


It is a one-to-one function.

Work Step by Step

In a one to one function each x-value corresponds to one y-value and each y-value corresponds to one x-value. We know that the cube of a negative number will be negative and that of a positive number will be positive. This means that for the given function, there exists only one y-value for each x-value and only one x-value for each y-value. Therefore the function is a one-to-one function.
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