Determine whether following relation is a function from {1, 2, 3, 4, 5} into {3, 2, 1} or not; if it

is not, then identify the part of the definition that failed.

g = {(1, 1), (2, 2), (3, 3)}.

g is a function because every value in the domain has only one value in the range. In other words, the domain values don't repeat.

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