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    Mathematics - Algebra - Equations

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    106. Worker efficiency. In a study of worker efficiency at Wong
    Laboratories it was found that the number of components
    assembled per hour by the average worker t hours after
    starting work could be modeled by the formula
    N(t) = 3t^3 + 23t^2 +8t.

    a) Rewrite the formula by factoring the right-hand side
    b) Use the factored version of the formula to find N(3).

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