y 部分隨x正變,且 部分隨1/x正變
點(1,5)及(2,4)在y對x的圖像上
(a)以x表示y
(b)當x由2增至3時,y的變化百分率是多少?
答案
(a)y = x+4/5
(B)8x1/3%
數學問題1條(須列式)
2008-08-12 7:11 pm
回答 (1)
2008-08-12 8:51 pm
✔ 最佳答案
As follows: As follows: As follows: As follows:圖片參考：http://i277.photobucket.com/albums/kk75/uncle_michael/080812_mat_1a.jpg?t=1218516573
圖片參考：http://i277.photobucket.com/albums/kk75/uncle_michael/080812_mat_1b.jpg?t=1218516667
收錄日期: 2021-04-13 15:57:01
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080812000051KK00753