Respuesta :

Factor out the numerator first

  • y=x²-9/x-3
  • y=x²-3²/x-3
  • y=(x+3)(x-3)/(x-3)
  • y=x+3

The hole is at x-3=0 i.e x=3

And

  • y=3+3=6

The hole is at (3,6)

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