一道sat数学题!!!!!
题目很怪啊~看不懂Thetotaldailycostc,indollars,ofproducingxunitsofacertainproductisgivenbythef...
题目很怪啊~看不懂
The total daily cost c, in dollars, of producing x units of a certain product is given by the function c(x)5*(600x-200)/x*1k, where k is a constant and X#100. If 20 units were produced yesterday for a total cost of $640, what is the value of k?
O(∩_∩)O谢谢!
641 13 展开
The total daily cost c, in dollars, of producing x units of a certain product is given by the function c(x)5*(600x-200)/x*1k, where k is a constant and X#100. If 20 units were produced yesterday for a total cost of $640, what is the value of k?
O(∩_∩)O谢谢!
641 13 展开
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