College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 2, Functions - Section 2.8 - One-to-One Functions and their Inverses - 2.8 Exercises: 4

Answer

f has an inverse $f^{-1}(1)$ = 4 $f^{-1}(3)$ = 5

Work Step by Step

f passes the horizontal line test Find the coordinates where the y values are 1 and 3 (4, 1) and (5, 3) f(4) = 1 f(5) = 3 Interchange the x and y values $f^{-1}(1)$ = 4 $f^{-1}(3)$ = 5
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