Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 9 - Section 9.5 - Exponential and Logarithmic Equations - Exercise Set - Page 730: 137

Answer

It makes sense

Work Step by Step

The statement makes sense. To solve for $4^x=15,$ since we cannot rewrite it as a power of the same base, we solve the equation using the logarithmic form" $\log 4^x=\log 15$ $x\log 4=\log 15$ $x=\frac{\log 15}{\log 4}$ $x\approx 1.95$
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