名校
解题方法
1 . 已知集合
,命题p:
,
.
(1)若命题p为真命题,求实数a的取值范围;
(2)若命题p为真命题时,a的取值构成集合B,且
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab128145ccd470c4dad09d6a5c55ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83025679ed826bd9c8a08992f15bd3e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
(1)若命题p为真命题,求实数a的取值范围;
(2)若命题p为真命题时,a的取值构成集合B,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
您最近一年使用:0次
2023-11-03更新
|
177次组卷
|
7卷引用:河北省辛集市第三中学2023-2024学年高三上学期第一次月考数学试题
名校
解题方法
2 . (1)p:
或
是q:
的必要不充分条件,求a的范围
(2)设集合A=
,B=
,若A
B=A,求实数a的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eeb69dcd17cd8448b0ed90fc02a7f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752455799e49f846e2601304fec5d3b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d4551ff5ffaaf17b7e6b1c0e77a9c4a.png)
(2)设集合A=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fc519e4af328459c019c17120994d48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc23a09558f033cb4031640e7e03c506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321a57dd129e992d7834e91961987bd1.png)
您最近一年使用:0次
名校
3 . 下列说法错误的是( )
A.已知![]() ![]() ![]() |
B.当![]() ![]() ![]() |
C.设集合![]() ![]() ![]() |
D.已知集合![]() ![]() ![]() |
您最近一年使用:0次
解题方法
4 . 已知集合
,不等式
的解集为
.
(1)当
,求实数
的取值范围;
(2)已知函数
,且
,求此函数的最小值构成的函数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a0fd15292e05ad8cb8c0876fbdd59fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf84e4d9f4a7edc2643fda82bc5e6ffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494876393be320dd15648efc75967d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2ac429737efebf150a1bd088ba846.png)
您最近一年使用:0次
解题方法
5 . 已知不等式
的解集为A,非空集合
.
(1)求集合A;
(2)当
时,求
;
(3)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6324e1204d475e0450d59229c66a7ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1116a5b3e063c475ce5d94c372f5937f.png)
(1)求集合A;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
您最近一年使用:0次
2024-02-05更新
|
320次组卷
|
3卷引用:河北省石家庄市西山学校2023-2024学年高一上学期期末数学试题
名校
解题方法
6 . 设不等式
的解集为
,不等式
的解集为
,集合
.
(1)求
,
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11525023e3f47ce039e2b27bb8c95b51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e720d34ced3d82ad59f3c41e7137470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a9e9b6c6003a410bf4fb09c4398cf5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39044392b77990910bf48d859b5cd7ef.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2bed4f3b7d72db3b022165360678e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-11-04更新
|
281次组卷
|
3卷引用:河北省秦皇岛市青龙满族自治县2023-2024学年高一上学期期中联考数学试题
名校
解题方法
7 . 已知关于
的不等式
的解集为
,关于
的不等式
的解集为
.
(1)求解集
;
(2)若
是
的必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916582d2bc54610ef6c6fb60e51c8990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ded4da687bb51def026a1be53896ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求解集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
8 . 设不等式
的解集为
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d82c39cff48d38c043374e2fdb329d.png)
(1)求集合A;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ee92ae41cb016d185c38d0dede662b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d82c39cff48d38c043374e2fdb329d.png)
(1)求集合A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
您最近一年使用:0次
2024-01-15更新
|
206次组卷
|
2卷引用:河北省张家口市2023-2024学年高一上学期期末考试数学试题
名校
9 . 设集合
,不等式
的解集为
.
(1)当
时,求
.
(2)当
时,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d3e76c0ad536320c064960169e69094.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6975bfff51d35d3eea098147cd76ad32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
10 . 已知
,关于
的不等式
的解集为
.
(1)当
是空集且方程
有解时,求实数
的取值范围;
(2)不等式
的解集记为集合
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5cf2db0309f7dfce9aa6a4c47c2959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f86eff5761f61a20c240a428f2a7ceda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf9093e67bb937df85711d3ab08fb0d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1703f1038fe86ff7d4f69b75a64fff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次