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aelit

  • 5 months ago

lim x approaches -1 (x^2-4x) / (x^2-3x-4)

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  1. myininaya
    • 5 months ago
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    have you tried factoring both top and bottom to see if anything cancels? you should do this if you have 0/0 do you have 0/0 when you evaluate the function at x=-1?

  2. myininaya
    • 5 months ago
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    you could still factor of course top and bottom (and cancel any common factors on top and bottom) even if you don't have 0/0 to get better idea of what the graph looks like

  3. myininaya
    • 5 months ago
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    The point is that is where I would start. Factoring.

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