anthonyfoschini1
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 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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