# Chapter 4 - Exponential and Logarithmic Functions - Exercise Set 4.3 - Page 477: 79

The graph is:

#### Work Step by Step

$y=\log_{3}x$ The change of base formula is: $\log_{b}M=\dfrac{\log_{a}M}{\log_{a}b}$ Express as a common logarithm by using the change of base formula shown to change the base of this logarithm to $10$: $\log_{3}x=\dfrac{\log x}{\log3}$ The function now is: $y=\dfrac{\log x}{\log3}$ The graph of this function is:

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