A function *f* is continuous on a point *x*_{0} if

For all , there exists a ,
such that implies .

Given a concret function (who is continuous), a Other exercises on:

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- Description: on the definition of continuity: given epsilon, find delta. interactive exercises, online calculators and plotters, mathematical recreation and games
- Keywords: interactive mathematics, interactive math, server side interactivity, analysis, epsilon, delta, continuity, limit, calculus