已知集合
.
(1)当
时,求
;
(2)当
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0cc95ff25aa34dbaf51c0131458bb34.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8489e291d540e36c33cd17b037c1e9cf.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b9ae6c7e296671de0527702af2843d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
10-11高三上·山西吕梁·阶段练习 查看更多[2]
更新时间:2016-11-30 10:35:21
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【推荐1】已知集合
,
,
,全集为实数集R.
(1)求
,
;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9705862080456f28dd01a990a49c0d5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74d50fb4e40bc989d2d8ead1062930a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3921ed4424f9495a62e1ca2b4f620f67.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959f3c514abb15185a429e1b2f1674e5.png)
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【推荐2】已知集合
,集合
,且满足
,
,求整数
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdab210c93a799cbd25a23a61991cb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66de4cb223854267b924b7196ef223d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c12eeb6395ea201cd1ad1662171b41bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede280b7d4529ca9afb08bff174225ef.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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解答题-问答题
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解题方法
【推荐1】已知函数
的定义域为集合A,![](https://img.xkw.com/dksih/QBM/2011/11/14/1570350469455872/1570350474649600/STEM/3808ed6eb1e3418994c64a0298eafed5.png)
(1)求集合
;
(2)若
,求
的取值范围;
(3)若全集
,
,求
及
![](https://img.xkw.com/dksih/QBM/2011/11/14/1570350469455872/1570350474649600/STEM/53ea76f5df4046379643b9f07dfc662e.png)
![](https://img.xkw.com/dksih/QBM/2011/11/14/1570350469455872/1570350474649600/STEM/3808ed6eb1e3418994c64a0298eafed5.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2011/11/14/1570350469455872/1570350474649600/STEM/44bff77034524a21b8e24e011bf26ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若全集
![](https://img.xkw.com/dksih/QBM/2011/11/14/1570350469455872/1570350474649600/STEM/f0aecaad6f064f25bcb7b578afe46294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be7892193e97bf330eec0782dfb18fc5.png)
![](https://img.xkw.com/dksih/QBM/2011/11/14/1570350469455872/1570350474649600/STEM/e9dd3e48774a458fb53f6daed9cf65e1.png)
![](https://img.xkw.com/dksih/QBM/2011/11/14/1570350469455872/1570350474649600/STEM/f6702e1fa5914082ad32c083e6c283bd.png)
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解题方法
【推荐2】设全集为R,
,
,求
,
以及
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea6cd440724a3059db805bc5238389e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95978a248d08ba6781b7c70e61b9af7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89504e77251a53877e41b64cb5c943d.png)
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【推荐1】已知函数
,当
时,
的值域为
,
(1)求实数
,
的值.
(2)记集合
,
,若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ec7f9b679d0a221e7918c82caa88ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc860ea794f348068811e2a63a116806.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)记集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521d0bdf1701b8f2245d7a8b40575042.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/609081c9ffad293d1220fa8fa5397dcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
【推荐2】分别解决下列问题
(1)解关于
的不等式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6048ff0be99a96698fc535d887840f0.png)
(2)解关于
的不等式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15e7f080e96738a71f8ce8d75349100.png)
(3)结合此题填入部分数据
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6048ff0be99a96698fc535d887840f0.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15e7f080e96738a71f8ce8d75349100.png)
(3)结合此题填入部分数据
方程![]() | 不等式![]() |
![]() | |
![]() | |
有两个不等实根 | 当![]() |
![]() |
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【推荐1】已知函数
.
(1)若不等式
的解集为
,求实数
的值;
(2)当
时,解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814808ab04e9450754907a27fadf4138.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b575e4736b7a50610c5588f686554c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
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【推荐2】已知二次函数f(x)=x2+bx+c,且不等式f(x)<0的解集为{x|1<x<3}.
(1)求f(x)的解析式;
(2)若不等式f(x)>mx﹣1对于x∈R恒成立,求实数m的取值范围.
(1)求f(x)的解析式;
(2)若不等式f(x)>mx﹣1对于x∈R恒成立,求实数m的取值范围.
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