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I NEED HELP PLEASE SOMEBODY HELP

I NEED HELP PLEASE SOMEBODY HELP-example-1
User Savinson
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not a funtion, is a funtion, not a funtion, is a function

User Siler
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If the x-coordinate (first value of the ordered pair) shows up more than once, the relation is not a function.

Top to bottom, you have ...

  • NOT . . . . (3, _) appears twice
  • IS
  • NOT . . . . (4, _) appears twice
  • IS

User BB Design
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