Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 9 - Section 9.5 - Logarithmic Functions - Exercise Set: 71

Answer

3

Work Step by Step

If $b$ is a real number, $b\gt0$, and $b\ne1$, then $b^{\log_{b^{x}}}=x$ (according to Property 3 on page 569). Therefore, $2^{log_{2^{3}}}=b^{\log_{b^{x}}}$, so $x=3$.
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