Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 9 - Chapter R-9 - Cumulative Review Exercises - Page 642: 40

Answer

Graph of $f(x)=\log_3x$

Work Step by Step

Substituting values of $x$ in the given function, $ f(x)=\log_3x $, results to \begin{array}{c|c|c} \text{If }x=1: & \text{If }x=3 & \text{If }x=9 \\\\ f(x)=y=\log_3x & f(x)=y=\log_3x & f(x)=y=\log_3x \\ y=\log_3 1 & y=\log_3 3 & y=\log_3 9 \\ y=0 & y=1 & y=\log_3 3^2 \\ && y=2\log_3 3 \\ && y=2(1) \\ && y=2 .\end{array} Connecting the points $ \left(1,0\right), \left(3,1\right), \text{ and } \left(9,2\right) $ with a curve gives the graph of $ f(x)=\log_3x $.
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