SOLUTION: Please help me to solve this problem. Cost function is given by C=0.1q^2+3q+2 , where c is the cost of producing q units of a product. Find the marginal cost function. What is the

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Question 462437: Please help me to solve this problem. Cost function is given by C=0.1q^2+3q+2 , where c is the cost of producing q units of a product. Find the marginal cost function. What is the marginal cost at q=3 ?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
The marginal cost function is just the derivative dC%2Fdq:
dC%2Fdq+=+0.1+%2A+2q+%2B+3+=+0.2q+%2B+3.
At q = 3, dC%2Fdq+=+0.2%2A3+%2B+3+=+0.6+%2B+3+=+3.6.