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Real-valued functions of real variable, analytic properties of functions and sequences, limits, continuity, smoothness of these.

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Let $f:(0, +\infty)\to(0, +\infty) $ be a monotone decreasing, right-continuous function. Can we find a sequence $\{f_{n}\}_{n\in \mathbb{N}}$ of strictly monotone decreasing, continuous functions, su …
asked Jun 14 '21 by Shaq155