anthonyfoschini1 anthonyfoschini1

23-10-2017
Mathematics

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Given: B = {(4, 2), (4, -2), (16, 4), . . .} Is B a function and why?

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altavistard altavistard

24-10-2017

Look at the first elements of these points: {4, 4, 16, ... }
If any two of these first elements is the same (as 4 equals 4), the relationship B is NOT a function. Review the definition of function.

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