Multiple Choice
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.
A) 2014
B) 1993
C) 2003
D) 2004
E) 1994
Correct Answer:

Verified
Correct Answer:
Verified
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