# Chapter 7 Exponential and Logarithmic Functions - 7.4 Evaluate Logarithms and Graph Logarithmic Functions - 7.4 Exercises - Skill Practice - Page 503: 19

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#### Work Step by Step

For a logarithmic expression, we know the following: $$log_{b}\ y=x \Rightarrow b^x=y$$ Using this, we find that the expression becomes: $$11^x=121 \\ x=2$$

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