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How can one define a function?

Updated: 10/17/2024
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11y ago

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In order to define a function you need two sets (which need not be different). To each member of the first set (called the domain), associate one and only one element from the second set (called the co-domain, or range). that is a function. The mapping from the domain to the co-domain can be shown as a table or as a rule or in other forms.

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Q: How can one define a function?
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