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Math Help - Value of the constant

  1. #1
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    Value of the constant

    For what value of the constant "c" is the function "f" continuous on (-inf, inf) where:

    cy+9 if y e(-inf,4)
    cy^2-9 if y e (4, inf)
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  2. #2
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    You just need to solve the equation that arises when you set them equal to eachother for y=4

    cy+9=cy^2-9
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