Precalculus | High School Math | Khan Academy - Using specific values to test for inverses | Precalculus | Khan Academy

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online learning online class video class video tutorial online education HSF.BF.B.4 composing functions inverse functions

Full Transcript

Keep going! Check out the next lesson and practice what you’re learning: https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:composite/x9e81a4f98389efdf:verifying-inverse/v/verifying-function-inverses-by-composition Are two functions inverses? Even one counterexample can show that they are not. How many examples would it take to show that they really are inverses?

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