11-12高一下·山东济宁·阶段练习
1 . 已知函数
的定义域为
,函数
的值域为
.
(1)求
;
(2)若
且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f5d8aefbfe36aa78a7fbf3c6791119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92370e5515e10da27994c4904580e22a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d259db9bb0e132881e875a77d324057.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad7b58263e908dca78d6841b90b3f4ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1450d01a249b583671cda3740c1ec1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
2 . 设集合![](https://img.xkw.com/dksih/QBM/2015/5/13/1572102737739776/1572102743015424/STEM/22672a6bc98541488bf69b28fe3156b5.png)
,则![](https://img.xkw.com/dksih/QBM/2015/5/13/1572102737739776/1572102743015424/STEM/8b760d3dc7b84618a5bf07d3b6bba225.png)
![](https://img.xkw.com/dksih/QBM/2015/5/13/1572102737739776/1572102743015424/STEM/22672a6bc98541488bf69b28fe3156b5.png)
![](https://img.xkw.com/dksih/QBM/2015/5/13/1572102737739776/1572102743015424/STEM/5cd427cc5c0d4929b8b6a03543833dcc.png)
![](https://img.xkw.com/dksih/QBM/2015/5/13/1572102737739776/1572102743015424/STEM/8b760d3dc7b84618a5bf07d3b6bba225.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 已知集合
,
,在区间
上任取一实数x,则
的概率为
![](https://img.xkw.com/dksih/QBM/2016/9/8/1573008277831680/1573008283164672/STEM/5c99c8bb82894d309dcca1ce82d56818.png)
![](https://img.xkw.com/dksih/QBM/2016/9/8/1573008277831680/1573008283164672/STEM/3641f0ba890545a1a3ff22b7b5c9f462.png)
![](https://img.xkw.com/dksih/QBM/2016/9/8/1573008277831680/1573008283164672/STEM/a3ce1fbf55a0481887b47e12d5b08b36.png)
![](https://img.xkw.com/dksih/QBM/2016/9/8/1573008277831680/1573008283164672/STEM/89c66b4d90794b84be5a4b01204542b1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 设
,则
的定义域为_______ .
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573163669700608/1573163675901952/STEM/68f22183a42d4179826acc8dd644133c.png?resizew=101)
![](https://img.xkw.com/dksih/QBM/2016/11/21/1573163669700608/1573163675901952/STEM/db506301a38643aa9c6d55ce6b96c1e3.png?resizew=87)
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10-11高三上·福建·期中
解题方法
5 . 设全集
,集合
,集合
为函数
的定义域,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72b1e5bd8d9e0b234586aadba592eedb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ab46f705fc13014c33434bdb86e8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74bfba69bb5cb0296c4857a218453f5d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
6 . 设集合A={﹣1,0,1,2,3},B={x|y=ln(x2﹣2x)},则A∩B=
A.{3} | B.{2,3} | C.{﹣1,3} | D.{0,1,2} |
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