Question

Determine whether the function f: ZxZ → Z

is one-to-one? is onto?
a) f(m, n) =m+n.
b) f(m,n) = m2 + m2.
c) f(m, n) =m.
d) f(m, n) = n.
e) f(m, n) =m- n.

Answer 1

the correct anwser is d I think

Explanation:

Glad I could help :)