A-c

[-/0.32 Points] DETAILS MY NOTES LARAPCALC10 2.3.031. PRACTICE ANOTH Marginal Cost The cost C (in dollars) of producing x units of a product is given by the following. C = 3.4\\x + 400 (a) Find the marginal cost (in dollars per unit) when x = 9. (Round your answer to two decimal places.) per unit (b) . Find the additional cost (in dollars) when the production increases from 9 to 10 units. (Round your answer to two decimal places.) (c) Compare the results of parts (a) and (b). This answer has not been graded yet