relation of a function

label Algebra
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schedule 1 Day
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Determine whether each of the following relations is a function from {1, 2, 3, 4, 5} into {3, 2, 1} or not; if no, then identify the part of that failed.

k = {(1, 1), (2, 1), (3, 2), (4, 3), (5, 1)} 

Feb 12th, 2015

k is a function because no value in the domain repeats.

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Feb 12th, 2015

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Feb 12th, 2015
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