A Movable Absolute Bound

Problem

Suppose there exists aRa \in \mathbb{R} such that the inequality

xxa<mx|x - a| < m

holds for all x[0,1]x \in [0, 1]. Find the range of possible values of the real number mm.

Answer

Solution

Difficulty7/10
Topicsfunctions, Extrema, Absolute Value, inequality, Casework

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