名校
解题方法
1 . 设非空集合
,集合B是关于x的不等式
的解集.
(1)若
,且
,求实数m的取值范围;
(2)若
,求关于x的不等式
的解集B.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e04a2446abf0edd88c9abf2cb8d2b4c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f1d59066e8a371a1b301dc12762bcbe.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f1d59066e8a371a1b301dc12762bcbe.png)
您最近一年使用:0次
2021-10-16更新
|
336次组卷
|
2卷引用:吉林省长春市东北师范大学附属中学2021-2022学年高一上学期第一次月考数学试题
名校
2 . 已知函数
,
.
(1)记
的解集为集合
,且集合
,若
,求实数
的取值范围;
(2)
,若方程
有5个不同的实数根,则实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45afdf4d717bb03adac6b899c367acb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ee806e06080b3c81b25d635bcd9544.png)
(1)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c41fdacbdb09cc6d1bfc1d6dee8b702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211fba2f88a04b075dbf781613b17178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e544b1304a6bbc87283cf741f134cebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3543e488633eeb60decd6e9d4158ad3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1c687b7b0cf5003cef55b8ade8eeb97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
3 . 已知不等式
的解集为
,集合
.若“
”是“
”的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a86fb089adee7d7a8ee742b9d9826b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4377d3cbb910d0c672d66f355f799bec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-09-24更新
|
585次组卷
|
3卷引用:江苏省南京航空航天大学附属中学2020-2021学年高一上学期10月月考数学试题
名校
4 . (1)方程
的解集为
,写出集合
的所有子集;
(2)已知集合
,
.若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67a8e54aafa47aeb2eb5bcad21c36096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f53e9cd4f2b4eb74d2222f796585e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64597a1f4f2fb0fada978bd15a22e08b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
5 . 已知函数
,
,集合A是函数
的值域,集合B是不等
的解集.
(1)当
时,求集合A与集合B;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0108d06baaca9882437151e952874e1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db053b743c6ecbf87eb04fd8041b4c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffb8575a9560a618cd6ea5a98259d890.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
您最近一年使用:0次
名校
6 . 设关于x的不等式
的解集为
,设不等式
的解集为A,集合
.
(1)求集合A,B,并求
,
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6ac8ae6a3d030bee3075413a8f125e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e433d8cb4c0416cc82aac3b5d2bcdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/944b9eb030e28458b1a49cae2054c5dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fadf49e67c76552cea7718c3002fe5f.png)
(1)求集合A,B,并求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e968937d457d9e2237b401077ff224a.png)
您最近一年使用:0次
名校
解题方法
7 . 设
,
为实数,已知关于
的不等式
的解集
.
(1)求
,
的值;
(2)若
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88b6d0df0ee20bf56477f867015a08c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de2871ea38291bfebcd5b4a8f4df26d9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9385caf6262a89bbc1114bfe26b237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2021-11-22更新
|
546次组卷
|
3卷引用:江苏省南京师范大学附属中学2021-2022学年高一上学期期中数学试题
名校
8 . 关于x的不等式
的解集为P,不等式
的解集为Q.
(1)若
,
(ⅰ)求集合P;
(ⅱ)求
:
(2)当
时,若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7658d05d17b00387b7b16b40b186967c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7905c76f4d7808ede33f1e8ad31c64.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
(ⅰ)求集合P;
(ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a3375139541ed61929fa658f16bb7d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7643d87ec4451cb9ee1c93252cd01b2d.png)
您最近一年使用:0次
名校
解题方法
9 . 设
,记关于
的不等式
,
的解集分别为
,
,若
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57032c1466f18d9750637c3a00f6a316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/382f2b1ae6d19e9c8174105640c196fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa39a289220f0997746805a97c6f1023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-11-15更新
|
233次组卷
|
3卷引用:河南省商丘市部分学校联考2021-2022学年高二上学期期中考试文科数学试题
名校
解题方法
10 . 设集合
,
.关于x的不等式
(
)的解集为C.
(Ⅰ)若
,求实数a的值;
(Ⅱ)若
,求实数a的取值范围;
(Ⅲ)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1ed69a069bc34808dca8a20ca7f108f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db310ce74062deb580a58ca8e82d5e3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ae47b53aa3e558c753f06f58d9c393.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d217c7b12e12e5fb67472452518859ec.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/906ea02bdb4a1f6dc7d477109486c6de.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
(Ⅲ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29cd450d0feaea9acb27a60430f4a3c.png)
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