A company manufactures x units of one item and y units of another. The total cost in dollars, C , of producing these two items is approximated by the function C=3x^(2)+xy+2y^(2)+800. If the production quota is 120 the minimum production cost is 21500. ) Estimate the additional production cost or savings if the production quota is raised to 121 or lowered to 119. production cost or savings
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