填空题-单空题 较难0.4 引用3 组卷787
下图展示了一个由区间(0,1)到实数集R的映射过程:区间
中的实数m对应数轴上的点M,如图1;将线段
围成一个圆,使两端点A、B恰好重合,如图2;再将这个圆放在平面直角坐标系中,使其圆心在y轴上,点A的坐标为
,如图3.图3中直线
与x轴交于点
,则m的象就是n,记作
.
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571886835638272/1571886841307136/STEM/59457e6e5a904b0c947f64033832730f.png?resizew=554)
下列说法中正确命题的序号是________ .(填出所有正确命题的序号)
①
;②
是奇函数; ③
在定义域上单调函数;
④
的图象关于点
对称.
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571886835638272/1571886841307136/STEM/59457e6e5a904b0c947f64033832730f.png?resizew=554)
下列说法中正确命题的序号是
①
![](https://img.xkw.com/dksih/QBM/2012/8/13/1570966318833664/1570966324215808/STEM/4b7fb9af9cd04cb794611b83bb2bf307.png?resizew=65)
![](https://img.xkw.com/dksih/QBM/2012/8/13/1570966318833664/1570966324215808/STEM/6cd9d1553b354d35950037e1fef3b99a.png?resizew=39)
![](https://img.xkw.com/dksih/QBM/2012/8/13/1570966318833664/1570966324215808/STEM/6cd9d1553b354d35950037e1fef3b99a.png?resizew=39)
④
![](https://img.xkw.com/dksih/QBM/2012/8/13/1570966318833664/1570966324215808/STEM/6cd9d1553b354d35950037e1fef3b99a.png?resizew=39)
![](https://img.xkw.com/dksih/QBM/2012/8/13/1570966318833664/1570966324215808/STEM/b347451c0ec24660892255fdfab151bd.png?resizew=41)
2011·宁夏银川·一模
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