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英语翻译costisafunctionofthenumberofunitsproducedasgivenby:C(n)=0.02n^2-42n+5000.howmanyunits,n,producea
题目内容：
英语翻译
cost is a function of the number of units produced as given by :C(n)=0.02n^2-42n+5000.how many units,n,produce a minimum cost优质解答
题目大概意思是,成本cost（c）与生产出的元件的个数成如公式所示的关系,问当n等于多少是得到的c值最小
这是一个求最小值题目.
专业回答,不懂再问,
cost is a function of the number of units produced as given by :C(n)=0.02n^2-42n+5000.how many units,n,produce a minimum cost
优质解答
这是一个求最小值题目.
专业回答,不懂再问,
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