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Unit Plan
Khan Academy

Khan Academy: Verifying Inverse Functions by Composition

For Students 9th - 10th Standards
Learn how to verify whether two functions are inverses by their composition. Students are given examples and practice problems.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Bf Exponentials and Logarithms Ii

For Teachers 9th - 10th Standards
The purpose of this task is to help students see that the definition of the logarithm as an exponent results in an inverse relationship between the exponential and logarithm functions with the same base. This prepares them to think about...
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Unknown Type
Khan Academy

Khan Academy: Verify Inverse Functions

For Students 9th - 10th Standards
Given the formulas of two functions, compose the functions and determine whether they are inverses of each other. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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PPT
Other

Humble Isd: Determine if 2 Functions Are Inverses by Compositions [Pdf]

For Students 9th - 10th Standards
This slideshow explains how to verify by composition that two functions are inverses of each other.
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Handout
Purple Math

Purplemath: Proving That Two Functions Are Inverses of Each Other

For Students 9th - 10th Standards
This resource explains how to verify that two functions are inverses of each other.