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如图所示的函数图象的关系式可能是( ) A.y= B.y= C.y=x2 D.y...
如图所示的函数图象的关系式可能是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000022666080574/SYS201311030000226660805005_ST/images0.png)
A.y=
B.y=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000022666080574/SYS201311030000226660805005_ST/0.png)
C.y=x
2D.y=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000022666080574/SYS201311030000226660805005_ST/1.png)
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函数y
1=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000022666080574/SYS201311030000226660805004_ST/0.png)
和y
2=kx-k在同一坐标系中的图象大致是( )
A.
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B.
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C.
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D.
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下列函数中,当x>0时,y随x的增大而减小的是( )
A.y=
B.y=x+2
C.y=-x+2
D.y=x
2
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如图,P是反比例函数图象上的一点,且点P到x轴的距离为3,到y轴的距离为2,则反比例函数的解析式是( )
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A.y=
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B.y=-
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C.y=
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D.y=-
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已知正比例函数y=k
1x(k
1≠0)与反比例函数y=
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(k
2≠0)的图象有一个交点的坐标为(-2,-1),则它的另一个交点的坐标是( )
A.(2,1)
B.(-2,-1)
C.(-2,1)
D.(2,-1)
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已知点(3,6)在反比例函数y=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103000022666080574/SYS201311030000226660805000_ST/0.png)
(k≠0)的图象上,那么下列各点中在此函数图象上的点是( )
A.(-3,6)
B.(3,-6)
C.(2,-9)
D.(2,9)
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