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Math Help - Continuity

  1. #1
    Junior Member
    Joined
    Oct 2009
    Posts
    26

    Continuity

    How would you find a and b so that f and f' is continuous where,

    f(x)= x-2 , x<2
    ax^(2)-bx , x>= 2
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  2. #2
    Member
    Joined
    Oct 2009
    Posts
    82
    You know:

    a\cdot (2)^2 - b\cdot (2) = 2
    2a\cdot (2) - b = -1

    Now you can find a and b
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