Number of points of discontinuity of is

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

Problem

Number of points of discontinuity of f(x)=[2x3−5]f(x) = [2x^3 - 5] is [1,2)[1, 2) , is equal to (where [x][x] denotes greatest integer less than or equal to xx ) (a) 14 (b) 13 (c) 10 (d) 8

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