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If [.] denotes the greatest integer function then the number of points where $f (x) = [x] + [x + \frac{1}{3}] + [x + \frac{2}{3}]$ is discontinuous for $x \in (0, 3)$ are

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Correct option is C

f(x)=[3x] is discontinuous when 3x= an integer ⇒x=13,23,33,43,53,63,73,83∈0,3

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If [.] denotes the greatest integer function then the number of points where fx=x+x+13+x+23 is discontinuous for x∈0,3 are

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If [.] denotes the greatest integer function then the number of points where $f (x) = [x] + [x + \frac{1}{3}] + [x + \frac{2}{3}]$ is discontinuous for $x \in (0, 3)$ are