Kizspy | Question: 11
(Choose 1 answer)
(See picture)
A. (i)
B. (iii)
C. (ii)
D. (iv)E. None of the other choices is correct
Which of the following functions f: Z x Z → Z is NOT onto?
(i)f(a, b) = a+b
(ii)f(a, b) = a
(iii)f(a, b) = |b+1|
(iv)f(a, b) =a-b
