Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 2 - Section 2.8 - One-to-One Functions and Their Inverses - 2.8 Exercises - Page 226: 36

Answer

$4$

Work Step by Step

If $f$ has an inverse, and $f(a)=b$ then $f^{-1}(b)=a.$ The table gives us $f(5)=0,$ so $f^{-1}(0)=5$ Also, the table gives us $f(4)=5,$ so $f^{-1}(5)=4$ Thus $f^{-1}(f^{-1}(0))=f^{-1}(5)=4$
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.