Math: Calculus

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Given f''(x) = 4x - 3
and f'( -3) =2 and f( -3)=-1.

Find f'(x) =______
and find f( 1) =_____

  • Math: Calculus -

    y '' = 4x+3
    y' = 2x^2 + 3x + C
    when x = -3, y' = 2
    2 = 18 - 9 + C
    C = -7
    so y' = 2x^2 + 3x - 7

    then y = (2/3)x^3 + (3/2)x^2 - 7x + K
    when x = -3, y = 1

    take it from there by solving for K

  • Math: Calculus -

    I don't know why but the answer is wrong.

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