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# How can you tell something is a function when you are given values of the function?

Updated: 11/4/2022

Wiki User

13y ago

If you know some values, then you at least have a function of some sort, but you don't know what other values might be. To be a useful function you must be aware that a rule exists to calculate its value for any situation, and preferably know what the rule (equation or whatever) is.

Wiki User

13y ago

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Q: How can you tell something is a function when you are given values of the function?
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