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f(x)=([x]+1)/({x}+1) for f:[0,5/2)->(1...

`f(x)=([x]+1)/({x}+1)` for `f:[0,5/2)->(1/2,3)`, where [.] represents the fractional part of x. then which of the following is true ? a) f(x) is injective discontinuous function b) f(x) is surjective non differentiable function c) `min(lim_x->1-f(x) , lim_x->1^+ f(x))=f(1)` (d) max ( x values of point of discontinuity) = f(1)

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