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    Integrals: Cost function and Marginal Cost

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    Given ist the following cost function:

    k(x)=x^3-9x^2+29x+35

    x= quantity k= cost

    Question 1:
    At what quantity is the minimum of the marginal cost?

    Question 2:
    What is the increase of cost if the production is increased from 3 to 4 (integral)?

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    https://brainmass.com/math/integrals/integrals-cost-function-marginal-cost-5561

    Solution Preview

    Question 1:
    As we know the function of the marginal cost is the first derivative of k.Let we use m(x) denote the marginal cost function.So ...

    Solution Summary

    A function is used to calculate marginal cost.

    $2.49

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