Is the relation #{(1, 1), (-1, 1), (2, 4), (-2, 4)}# a function?
1 Answer
Jun 13, 2015
Yes. It is a function.
Explanation:
A relation fails to be a function if and only if there are 2 pairs with the same
That c is not happen in your question, do it is a function.
(It us not a one-to-one function.)
