22062012_maths-es

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    27537688 583 799

    xi

    419 750 517 965 550 990 534 037 550 488 552 824 557 133 583 799

    yi

    (xi ; yi)

    y

    x 102

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    f [1; 12]

    f(x) = 0,0096x3 0,1448x2 + 0,7132x + 0,813

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    p(

    p(

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    C f ]0 ; 6] A(1;4)C A C

    f f

    A

    C

    f2 1

    ]0;6] f(x) 0

    ]0 ; 1] ]0; 6] [1 ; 6] [4; 9]

    I =

    5

    3

    f(x)dx

    12 < I < 13 0 < I < 2 5 < I < 8 2 < I < 0

    F f ]0 ; 6] F

    F(x) =1

    2x2 + 2x + 1 F(x) = 2 +

    1

    x

    F(x) =1

    2x2 + 2x + ln x F(x) = 2x + ln x

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    x

    x

    f(

    x) = (200

    x 300)e

    x1

    + 10f

    [0; 6]

    f [0 ; 6][0; 6] f f

    x [0 ; 6]

    f(x) = (500 200x)ex1

    f [0 ; 6]

    f

    [1 ; 2] f(x) = 0

    102

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