Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 4 - Exponential and Logarithmic Functions - Chapter Review - Review Exercises - Page 370: 8

Answer

(a) one-to-one. (b) $\{(2,1),(5,3),(8,5),(10,6) \}$

Work Step by Step

(a) For the given function, use the horizontal line test, we can see that for each $y$ value, there is only one $x$ value, thus it is one-to-one. (b) By exchanging $x,y$ values, we can find the inverse as $\{(2,1),(5,3),(8,5),(10,6) \}$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.