2)the point (8,-5) is on the graph of y=f(x), which point must be on the graph of y=1/ [f(-x)-2]
更新1:
i still dont get 2) why is (5,1/6), and where is 1/6 came from?
transformations
2010-03-13 4:19 pm
1) if f(x)= (2-x)/ 5x, determine the equation of f^-1(x), the inverse of f(x)
2)the point (8,-5) is on the graph of y=f(x), which point must be on the graph of y=1/ [f(-x)-2]
2)the point (8,-5) is on the graph of y=f(x), which point must be on the graph of y=1/ [f(-x)-2]
回答 (1)
2010-03-13 5:14 pm
✔ 最佳答案
http://img704.imageshack.us/img704/613/43910801.png圖片參考：http://img704.imageshack.us/img704/613/43910801.png
2010-03-13 13:36:00 補充：
http://img704.imageshack.us/img704/613/43910801.png
2010-03-13 17:11:03 補充：
which part you do not understand?
when x = 5, y = 1/6 isn't it clear?
收錄日期: 2021-04-23 23:24:25
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https://hk.answers.yahoo.com/question/index?qid=20100313000051KK00320