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What makes it not a function?

Charlotte Henderson | 2023-06-13 08:37:37 | page views：1831
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Scarlett Lee

Studied at the University of Oxford, Lives in Oxford, UK.
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. ... This is a function since each element from X is related to only one element in Y. Note that it is okay for two different elements in X to be related to the same element in Y.
2023-06-22 08:37:37
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Benjamin Evans

QuesHub.com delivers expert answers and knowledge to you.
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. ... This is a function since each element from X is related to only one element in Y. Note that it is okay for two different elements in X to be related to the same element in Y.
What makes a relation a function? - Math Central
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