Continuity and DifferentiabilityMedium
Question
If f(x) = 
, were [x] denotes the greatest integer not greater than x, then-
, were [x] denotes the greatest integer not greater than x, then-Options
A.f(x) exists for all x
B.f′(x) exists for all x
C.f(x) is continuous for all x
D.f(x) is discontinuous at some point
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