1
(Choose 1 answer)
(See picture)
A. f is onto but not one-to-one
B. f is neither one-to-one nor onto.
C. f is both one-to-one and onto.
D. f is one-to-one but not onto
Let f: Z N be the function defined as follows [-2n, n≤0 f(n)=-2n,2n+1, n>0
Choose the correct answer.
