!! used as default html header if there is none in the selected theme. Epsilon

Epsilon --- Introduction ---

This is an exercise on the definition of continuity

A function f is continuous on a point x0 if

For all , there exists a , such that implies .
Given a concret function (who is continuous), a x0 and a , you have to find a which verifies the above condition. And you will be noted according to this : more it is close to the best possible value, better will be your note.
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