Show that is a discontinuous function for all x, where (x) is defined as follows: Show

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Show that ƒ is a discontinuous function for all x, where ƒ(x) is defined as follows:

f(x) = 1 -1 for x rational for x irrational

Show that ƒ2 is continuous for all x.

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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