# Exponentials & logarithms

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Lessons

Introduction to logarithmsThe constant e and the natural logarithmProperties of logarithmsQuiz 1The change of base formula for logarithmsSolving exponential equations with logarithmsQuiz 2Solving exponential modelsGraphs of exponential functionsGraphs of logarithmic functionsLogarithmic scale (optional)Unit testPractice

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Use the properties of logarithms

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**Exponentials & logarithms**with these 11 questions.About this unit

Learn about logarithms, which are the inverses of exponents. Use logarithms to solve various equations. Then analyze both logarithmic and exponential functions and their graphs.