# Finding an Inverse

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Polynomials that are strictly increasing or strictly decreasing have inverse functions. For example, and are strictly increasing. However, neither nor are one-to-one, and so they do not have an inverse defined for all real .

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Contributed by: Ed Pegg Jr (March 2011)

Open content licensed under CC BY-NC-SA

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"Finding an Inverse"

http://demonstrations.wolfram.com/FindingAnInverse/

Wolfram Demonstrations Project

Published: March 7 2011