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Math

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Find the particular equation of the cubic function that contains (-2,-35), (1,7), (2,9), and (3,25)

  • Math - ,

    sheesh! What a lot of busy work.

    Let y = ax^3 + bx^2 + cx + d

    -8a + 4b - 2c + d = -35
    a + b + c + d = 7
    8a + 4b + 2c + d = 9
    27a + 9b + 3c + d = 25

    solve by your favorite method. Mine is wolframalpha :-)

    (a,b,c,d) = (2,-5,3,7)

    y = 2x^3 - 5x^2 + 3x + 7

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