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Math Help - Continuity 3

  1. #1
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    Continuity 3

    For what value of the constant is the function continuous on where





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  2. #2
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    Re: Continuity 3

    The answer here is 3 right? 18/6 = 3
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  3. #3
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    Re: Continuity 3

    the left-hand limit lim y-->5- f(y) is 25 - c.

    the right-hand limit lim y-->5+ f(y) is 5c + 7.

    continuity at 5, means these must be equal:

    25 - c = 5c + 7
    18 = 6c
    c = 3

    so, yes.
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