over9000werido
over9000werido over9000werido
  • 27-02-2017
  • Mathematics
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are these functions and explain

are these functions and explain class=

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itsteatime
itsteatime itsteatime
  • 27-02-2017
The 2nd one is NOT a function.
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heyy321 heyy321
  • 27-02-2017
The second one is not because there is multiple y values for a given x value
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