Question

13)
Let us define a function f : Z → Z as follows,
23
if I is even
f(1) =
10, if x is odd
O onto but not one to one
O one to one but not onto.
R
O one to one and onto
O neither one to one nor onto​

Answer 1

Answer:

one to one but not onto bcoz every element of domain has its pre- image in co - domain.

In co - domain no extra element left.