Difference between revisions of "022 Exam 2 Sample B, Problem 10"
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Revision as of 11:01, 17 May 2015
Use calculus to set up and solve the word problem: A fence is to be built to enclose a rectangular region of 480 square feet. The fencing material along three sides cost $2 per foot. The fencing material along the 4th side costs $6 per foot. Find the most economical dimensions of the region (that is, minimize the cost).