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    9. ∫ (1/x)[ln (x)]^4 dx =

    (1/5)ln |ln x| + C
    (1/5)(ln x)^5 + C
    5(ln x)^5 + C
    - 1/(ln x)^5 + C
    none of these

    10. Acme estimates marginal revenue on a product to be 200q-1/3 dollars per unit when the level of production is q units. The corresponding marginal cost is 2q dollars per unit. Suppose the profit is $250 when the level of production is 1 unit. What is Acme's profit when 8 units are produced?
    (Note: P'(t) = R'(t) - C'(t) and P(0) = 0)
    $937
    $987
    $1037
    $1087
    $1137
    $1187
    $1237
    none of these

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    https://brainmass.com/math/calculus-and-analysis/calculus-139011

    Solution Preview

    9. ∫ (1/x)[ln (x)]^4 dx =

    (1/5)ln |ln x| + C
    (1/5)(ln x)^5 + C
    5(ln x)^5 + C
    - 1/(ln x)^5 + C
    none of these

    The correct answer is
    (1/5)(ln x)^5 + C

    It is ...

    Solution Summary

    This shows an example of integration and an example of working with the profit function.

    $2.49

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