Calculus 8th Edition

Published by Cengage
ISBN 10: 1285740629
ISBN 13: 978-1-28574-062-1

Chapter 6 - Inverse Functions - 6.3 Logarithmic Functions - 6.3 Exercises - Page 426: 21

Answer

The graphs of $y=\log_{b}x=\frac{logx}{logb}$, with various values of the base $b>1$ such as $b= 1.5,10,50$. Since, $\log_{b}1=0$ the graphs of all logarithmic functions pass through the point (0, 1). The graph is depicted as follows:

Work Step by Step

Since, change of base formula defines $\log_{a}x=\frac{logx}{loga}$ Therefore, $\log_{1.5}x=\frac{logx}{log1.5}$, $y=lnx$ , $\log_{10}x=\frac{logx}{log10}$, and $\log_{50}x=\frac{logx}{log50}$ The graphs of $y=\log_{b}x=\frac{logx}{logb}$, with various values of the base $b>1$ such as $b= 1.5,10,50$. Since, $\log_{b}1=0$ the graphs of all logarithmic functions pass through the point (0, 1). The graph is depicted as follows:
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