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[" 1.Let "f:N rarr N" be defined by "f(x...

[" 1.Let "f:N rarr N" be defined by "f(x)={[(n+1)/(2)," if "nis" odd "],[(n)/(2)" if nis ment "]],[" for all "n in N" .State whether the function "fis" bijective justify your answer."]

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