Question

PLEASE HELP BARELY ANYBODY ANSWERS ME!!!!
Which relation is also a function?
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Answer 1

A

Explanation:

In a function, the input cant have two outputs.

Answer 2

A relation from a set X to a set Y is called a function if each element of X is related to exactly one element in Y. That is, given an element x in X, there is only one element in Y that x is related to. For example, consider the following sets X and Y.

Explanation: