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18 May, 16:14

F (x) = 3x3 - 2x2 + x - 4 at x = - 3

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Answers (1)
  1. 18 May, 17:01
    0
    Steps to solve:

    f (x) = 3x³ - 2x² + x; x = - 3

    ~Substitute

    f (-3) = 3 (-3) ³ - 2 (-3) ² + (-3)

    ~Solve the exponents

    f (-3) = 3 (-27) - 2 (9) + (-3)

    ~Multiply

    f (-3) = - 81 - 18 - 3

    ~Subtract

    f (-3) = - 102

    Best of Luck!
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