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已知反比例函数(x>0)的图象如下图,则它关于y轴对称的图象的函数关系式为( )...
已知反比例函数
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101243675498828/SYS201311031012436754988028_ST/0.png)
(x>0)的图象如下图,则它关于y轴对称的图象的函数关系式为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101243675498828/SYS201311031012436754988028_ST/images1.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101243675498828/SYS201311031012436754988028_ST/1.png)
(x>0)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101243675498828/SYS201311031012436754988028_ST/2.png)
(x<0)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101243675498828/SYS201311031012436754988028_ST/3.png)
(x>0)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101243675498828/SYS201311031012436754988028_ST/4.png)
(x<0)
考点分析:
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小明根据下表,作了三个推测:
x | 1 | 10 | 100 | 1000 | 10000 | … |
2+![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101243675498828/SYS201311031012436754988024_ST/0.png) | 3 | 2.1 | 2.01 | 2.001 | 2.0001 | … |
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![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101243675498828/SYS201311031012436754988024_ST/2.png)
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![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101243675498828/SYS201311031012436754988024_ST/3.png)
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![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101243675498828/SYS201311031012436754988023_ST/0.png)
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