toby19 toby19
  • 18-04-2017
  • Mathematics
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Determine whether each relation is a function

Determine whether each relation is a function class=

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merrygoroundtheworld
merrygoroundtheworld merrygoroundtheworld
  • 18-04-2017
I believe 4. is a function. For every input there is 1 output. So, each number in first set points to 1 number in the second set, even though 2 point to the same number.
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