Is the relation #R ={(0,4), (1,5), (2,6), (2,7), (3,8)}# a function?
1 Answer
Jun 15, 2015
No it is not a function.
Explanation:
A relation is a function is it does not have two pairs with the same first and different second elements.
Alternatively: A relation FAILS to be a function if it DOES have two such pairs.
The relation in this question includes