Does anyone know how to sketch these?

y=x+1/x-3

y=x^2-1/x^2-4

y=x^2-1/x-4

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- Feb 18th 2010, 12:39 AMD7236Help with sketching functions
Does anyone know how to sketch these?

y=x+1/x-3

y=x^2-1/x^2-4

y=x^2-1/x-4 - Feb 18th 2010, 02:47 AMWilmer