Let Z denote the set of all integers. Define f : Z —> Z by f(x) = {x / 2 (x is even) 0 (x is odd) then f is

Let Z denote the set of all integers. Define f : Z�

1.	Let Z denote the set of all integers. Define f : Z —> Z by f(x) = {x / 2 (x is even)             0     (x is odd) then f is
A.	onto but not one-one
B.	one-one but not onto
C.	one-one and onto
D.	neither one-one nor-onto
Answer» B. one-one but not onto

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