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lesson 20
1 hour

Inverses of Logarithmic and Exponential Functions


Description

This lesson focuses on logarithmic and exponential functions. Students have worked with exponential functions since Algebra I, and logarithmic functions were introduced and studied extensively in Algebra II. The inverse of an exponential function was first defined in Algebra II as students solved equations of the form 𝑎 ∙ 𝑏 𝑐𝑥 = 𝑑 and came to understand that the solution to this type of equation is a logarithm.

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Credits

From EngageNY.org of the New York State Education Department. Precalculus and Advanced Topics Module 3, Topic C, Lesson 20. Available from engageny.org/resource/precalculus-and-advanced-topics-module-3-topic-c-lesson-20; accessed 2015-05-29.
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