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The total cost C(x) in Rupees, associate...

The total cost C(x) in Rupees, associated with the production of x units of an item is given by
`C(x) = 0.005x^(3)- 0.02 x^(2)+30x+5000`
Find the marginal cost when 3 units are produced, where by marginal cost we mean the instantaneous rate of change of total cost at any level of output.

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The correct Answer is:
3 units
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