Precalculus: Mathematics for Calculus, 7th Edition

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

Chapter 4 - Review - Exercises - Page 389: 17



Work Step by Step

An exponential function can have any domain so we can ignore the first part. The second part is a logarithmic function and the input to a "log" is always greater than 0. Thus $1-2x\gt0$. We solve and get x lies from (-Infinity,1/2).
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