Match each function below with its appropriate
description.
f: Z ? Z is defined by f(n) = 2n, for every integer n
g: Z ? Z is defined by g(n) = n², for every integer n
h: Z ? Z is defined by h(n) = n + 1, for every integer
n
f
[Choose]
[Choose]
g
both one-to-one AND onto
neither one-to-one, nor onto
one-to-one, but NOT onto
h
[Choose]