Assume that costs and expenses for Continental Divide Mining can be described by and the sales revenue can be described by , where t is the number of years since the beginning of 1992. Find the year in which maximum profit occurs.

Question

Assume that costs and expenses for Continental Divide Mining can be described by  and the sales revenue can be described by  , where t is the number of years since the beginning of 1992. Find the year in which maximum profit occurs. ​

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The Answer of Assume that costs and expenses for Continental Divide Mining can be described by  and the sales revenue can be described by  , where t is the number of years since the beginning of 1992. Find the year in which maximum profit occurs. ​

Assume That Costs and Expenses for Continental Divide Mining Can