Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 5 - Exponential and Logarithmic Functions - 5.2 One-to-One Functions; Inverse Functions - 5.2 Assess Your Understanding: 18

Answer

function is one-to-one

Work Step by Step

A function is one-to-one if each element of the domain is paired with a unique element of the range. Note that each first coordinate is paired with a unique second coordinate. Hence, the function is one-to-one.
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