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15 October, 23:28

What are the coordinates of the hole in the graph of the function f (x) ?

f (x) = x^2+4x-12 / x-2

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  1. 15 October, 23:44
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    The coordinates are (2,8)

    Step-by-step explanation:

    A hole is where both the numerator and the denominator are zero

    f (x) = x^2+4x-12 / x-2

    Factor the numerator

    f (x) = (x+6) (x-2) / (x-2)

    The hole will occur where x-2 = 0

    x-2=0

    Add 2 to each side

    x-2+2 = 0+2

    x=2

    There is a hole at x=2

    If we could cancel the x-2 values from the top and bottom, we are left with

    f (x) = x+6

    At x=2

    f (2) = 6+2

    f (2) would be 8

    The coordinates are (2,8)

    There is a hole
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