College Algebra Test #3

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4 Terms

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x

Functions are inverses ONLY if both compositions equal…

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  1. Replace f(x) with y

  2. Switch the variables x and y

  3. Solve for y

  4. Replace y with f-1(x)


How to find the inverse of a function

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<p>-b/2a</p>

-b/2a

Vertex Formula

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<p></p>


Quadratic formula