If `f:{1,2,3....}->{0,+-1,+-2...}` is defined by `f(n)={n/2, if n ` is even , ` -((n-1)/2) if n ` is odd `}` then `f^(-1)(-100)` is

If f:{1,2,3...}rarr{0,+-1,+-2...} is defined by f(n)={(n)/(2), if n is even -((n-1)/(2)) if n odd } then f^(-1)(-100) is

If f:{1,2,3,....}rarr{0, pm 1, pm2, .....} is defined by f(n)= {:{(n//2 , "if n is even"),(-((n-1)/(2)), "if n is odd"):} then f^(-1)(-100) is

If f:{1, 2, 3,……}rarr{0, pm1, pm2, …..} is defined by f(x)={{:(n//2,"if n is even"),(-((n-1)/(2)),"if n is odd"):} then f^(-1)(-100) is

Let f:NtoN defined by : f(n)={:{((n+1)/(2) "if n is odd"),((n)/(2) "if n is even"):}

Let f:N rarr N defined by f(n)={{:((n+1)/(2) " if n is odd"),(n/2" if n is even"):} then f is

Let f: N rarr N be defined by : f(n) = {:{((n+1)/2, if n is odd),(n/2, if n is even):} then f is

Let f: N->N be defined0 by: f(n)={(n+1)/2, if n is odd (n-1)/2, if n is even Show that f is a bijection.

If f: N to W is such that f(n) = {{:(n/2, "if n is even"),(0,"if n is odd"):} , then f is

Let f: N uu {0} rarr N uu {0} be defined by : f(n)= {(n+1, if n is even),(n-1, if n is odd):} .Show that f is invertible and f =f^-1 .