Can anyone show me the graph?

2008-01-27 9:20 am
方程式2^x=log(1/2)x

1/2 is base

only one intersection

but i want the graph

also can anybody give me the website to sketch the graph

I want the graph is y = 2^x and y = log(1/2)x

two lines are shown on the same graph.

not y = 2^x - log(1/2)x

回答 (2)

2008-01-27 12:18 pm
✔ 最佳答案
here's the graph of 2^x and log(x) to the base 0.5.
Note that log(x)/log(1/2)=-log(x)/log(2).




圖片參考:http://i263.photobucket.com/albums/ii157/mathmate/log2.png



Note: since you have already granted me 5 points for the question
http://hk.knowledge.yahoo.com/question/?qid=7008012503874
I will not be offended if you remove this question, as long as the answer is what you want. If it is not, let me know.
2008-01-27 9:50 am


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