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(2002•长沙)在同一直角坐标系中,函数y=3x与图象大致是( ) A. B....
(2002•长沙)在同一直角坐标系中,函数y=3x与
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232530353845989/SYS201310212325303538459007_ST/0.png)
图象大致是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232530353845989/SYS201310212325303538459007_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232530353845989/SYS201310212325303538459007_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232530353845989/SYS201310212325303538459007_ST/images3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232530353845989/SYS201310212325303538459007_ST/images4.png)
考点分析:
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和y=k
2x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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(2002•连云港)函数y=kx-1与y=-
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在同一坐标系中的大致图象可能是下图中的( )
A.
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B.
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D.
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(2002•三明)下列函数中,图象大致为如图的是( )
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A.y=
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(x>0)
D.y=-
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(x<0)
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(2002•泸州)当k<0时,反比例函数y=
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和一次函数y=kx+2的图象大致是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232530353845989/SYS201310212325303538459003_ST/images1.png)
B.
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C.
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D.
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的图象过点(-2,3),那么下列各点在函数y=kx-2的图象上的是( )
A.(4,1)
B.(
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,-1)
C.(-
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,-11)
D.(-3,-21)
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