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20 January, 10:12

What value is a discontinuity of quantity x squared plus 3 x minus 4 divided by quantity x squared plus x minus 12

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  1. 20 January, 10:17
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    (x² + 3x + 4) / (x² + x - 12)

    Note that you can't divide by zero, and discontinuities are a result of that. We are looking for:

    x² + x - 12 = 0

    (x + 4) (x - 3) = 0

    x = 3, - 4

    a. is one of those values, and is the answer.
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