Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 12 - Section 12.2 - Inverse Functions - Exercise Set: 27

Answer

$f(x) = 2x + 2$
1484187177

Work Step by Step

$f(x) = 0.5x - 1$ $y = 0.5x - 1$ Switch the x & y, to get an inverse function. $x = 0.5y - 1$ $x + 1 = 0.5y$ $(2)(x+1) = (2)(0.5y)$ $2x + 2 = y$ $$f(x) = 2x + 2$$
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