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Question

Let f(x)=[x]+1{x}+1, for f:[0,52)(12,3] where [x] denotes greatest integer function and {x} denotes fractional part function, then which of the following is/are true?

A
f(x) is one - one function
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B
f(x) is onto but not one - one function
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C
f(x) is a bijective function
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D
f(x) is symmetric about x=54
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