Let [.] and {.} be the greatest integer function and fractional part f – InterviewSolution

1.	Let [.] and {.} be the greatest integer function and fractional part function respectively. Then the number of points of discontinuity of the function f(x)=sin({2x+[2x]+[3–x]}) for x∈[0,4] is
Answer» Let $[.]$ and ${.}$ be the greatest integer function and fractional part function respectively. Then the number of points of discontinuity of the function $f (x) = sin ({2^{x} + [2^{x}] + [3^{- x}]})$ for $x \in [0, 4]$ is

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