How To Find The Inverse of a Function

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This algebra 2 and precalculus video tutorial explains how to find the inverse of a function using a very simple process. First, replace f(x) with y. Next, switch x with y. Finally, solve for the y variable and that's it. This video contains examples and practice problems that include fractions, radicals, square roots, cube roots, linear functions, and cubic functions.

Functions - Free Formula Sheet:


Full-Length Math & Science Videos:


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Introduction to Functions:


Evaluating Functions:


Increasing and Decreasing Functions:


Relative Maximum and Minimum Values:


Domain and Range from a Graph:


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Average Rate of Change of a Function:


Evaluating Piecewise Functions:


Graphing Piecewise Functions:


How To Evaluate Composite Functions:


Evaluating Composite Functions - Data Table:


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How To Find the Inverse of a Function:


Verifying Inverse Functions:


Horizontal Line Test - One to One Functions:


Graphing Inverse Functions:


Composite Functions and Inverse Functions:


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Even and Odd Functions:


Transformations of Functions:


Linear Functions:


Functions and Graphs - Practice Problems:


Functions - Test Review:


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Final Exams and Video Playlists: