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Math Help - Please help!

  1. #1
    Junior Member
    Joined
    Mar 2009
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    44

    Please help!

    I really need help with my homework.

    We have E-mesurable set, function f : E -> R is mesurable, f>=0, f is bounded. The rate of the set {x E : f(x)>=c} is a.
    Then the Lebesgue's integral for function f over E is >=a.

    I have to prove it. Can anybody give me a hint please?
    THANK YOU.
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  2. #2
    Member
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    Nov 2006
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    Florida
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    What do you mean by the rate of the set?
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  3. #3
    Junior Member
    Joined
    Mar 2009
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    measure, size
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