5 consider the function f z greater than z defined by f n 2n 3n if n i
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Question
5. Consider the function f : Z+ -> Z+ defined by
f(n) =
2n 3n if n is even.
Let S = {1, 2, 3, 4,5,6}. Determine the following.
(a) f(S) =
(b) f-1(S)=
(c) f-1(f(S) =
(d) f(f-1(S)=
if n is odd,