maths function

2014-09-21 1:52 am

A pubisher estimates that the cost of producing between 1000 and 10000 copies of a book is $50 per copy , 10001 and 2000 , the cost is $ 40 per copied , 20001 and 50000 the cost is $35 per copy.

> Find a function that goves the total cost of produing N copies
( 1000 < / = N < / = 50000 )

回答 (1)

2014-09-21 2:25 am
✔ 最佳答案
Please read:


圖片參考:https://s.yimg.com/rk/HA00430218/o/1046143621.png


2014-09-20 18:38:55 補充:
╭∧---∧╮
│ .✪‿✪ │
╰/) ⋈ (\╯

2014-09-20 18:40:25 補充:
為何之前 arch 那題你要刪掉我?

我也花了時間慢慢把那圖畫出來啊~

2014-09-20 18:42:18 補充:
就是以下這幅圖:
http://s14.postimg.org/okhxb4pqn/20140920_hk_math2_quad.png

也不是答得佷差吧???


收錄日期: 2021-04-15 16:35:15
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20140920000051KK00107

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