Identify the point at which the function is discontinuous.

MATHEMATICS · Single correct · AoPS · Mathematics · Special Functions · Special Functions

Problem

Identify the point at which the function f(x)=⌊x⌋f(x)=\lfloor x \rfloor is discontinuous. (a) x=2.5x=2.5 (b) x=πx=\pi (c) x=2x=2 (d) x=2.01x=2.01

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