Re: Common points of f and f^{-1}
- From: "Stephen J. Herschkorn" <sjherschko@xxxxxxxxxxxx>
- Date: Sat, 18 Nov 2006 23:48:48 -0500
grigkost@xxxxxxxxx wrote:
Let f:R-->R invertible function and f^{-1} it's inverse.
Question: The common points of their graphs are always on the line y=x?
Much simpler counterexample: f(x) = 1 - x.
--
Stephen J. Herschkorn sjherschko@xxxxxxxxxxxx
Math Tutor on the Internet and in Central New Jersey and Manhattan
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