Statement-1: The funciton `f: N to N` given by `f(n)=n-(-1)^(n)` for a – InterviewSolution

1.	Statement-1: The funciton `f: N to N` given by `f(n)=n-(-1)^(n)` for all `n in N` is invertible. Statement-2: The successor and prodecessor of an even natural number are odd natural numbers and that of an odd natural number are even natural number.A. 1B. 2C. 3D. 4
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