salley123 salley123
  • 12-12-2019
  • Mathematics
contestada


Which of the following expressions represents a function?
x² + y² = 9
{(4,2), (4, -2), (9,3), (9, -3)}
x=4
2x + y = 5

Respuesta :

george4631 george4631
  • 12-12-2019

Answer:

the second one it is a function.

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