名校
1 . 已知关于
的不等式组
的解集中有且仅有一个整数,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d6e3146c02991181324498febd020d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 已知
.
(1)设
,若关于
的不等式
的解集为
,且
的充分不必要条件是
,求
的取值范围;
(2)方程
有两个实数根
,
①若
均大于
,试求
的取值范围;
②若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d396d55c8608b764a6d59ecc123990a.png)
(1)设
![](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/eace589088fbc565184fd9d28632618f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78394952b99bfd9ac4c437673d27fdfc.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)
(2)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71189f1e9be8b9c4b18a62d29d0f1f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-09-06更新
|
1606次组卷
|
9卷引用:重庆市2023-2024学年高一上学期入学考试模拟数学试题
重庆市2023-2024学年高一上学期入学考试模拟数学试题重庆市荣昌中学校2023-2024学年高一上学期期中数学试题四川省眉山市仁寿第一中学南校区2023-2024学年高一新生上学期入学考试数学试题(已下线)重难点03 从集合的角度理解充分条件、必要条件、充要条件(2)-【帮课堂】(苏教版2019必修第一册)(已下线)高一上学期期中考试解答题压轴题50题专练-举一反三系列湖南省郴州市嘉禾县第六中学2023-2024学年高一上学期第一次月考数学试题黑龙江省哈尔滨市哈尔滨师范大学附属中学2023-2024学年高一上学期10月月考数学试题辽宁省六校协作体2023-2024学年高一上学期10月联考数学试题(已下线)高一数学上学期期中考试模拟卷-【巅峰课堂】热点题型归纳与培优练
3 . 任意实数
均能写成它的整数部分
与小数部分
的和,即
(其中
表示不超过x的最大整数). 比如:
,其中
. 则下列的结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda2bc2e6a5eaf4fa5ff901985dd0e53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac21cde1e074dd30c087b930c71516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d54dcaa08b944a66faa980d8db9d4514.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848a8fcb2f61fb1d2f5203dc6969fec5.png)
A.![]() |
B.![]() ![]() |
C.不等式![]() ![]() |
D.已知函数![]() ![]() ![]() |
您最近一年使用:0次
4 . 若函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63aaa178677e179fd17fb87877ccb38.png)
且
的解集为集合
.
(1)求实数
的值;
(2)若函数
的图象始终在函数
的图象上方,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63aaa178677e179fd17fb87877ccb38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a46edeb8d055d1bf8efb8d79cf1f37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae7dc4293011a82a5de9c821db472b6a.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d12362d4b8dd25813953e1c5a94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
5 . 已知函数
.
(1)若
是
的一个根,求
的解集;
(2)当
时,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0567bf8bfae88e932d6776ab86ca51cb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b7bff9b2431134f7683a9cc4e68acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebfdecc7f8089cb23c20d0a93ee1b601.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/561392132cbcffc03e304d41e444ddea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58196b9e63ec00aa1119052b6de6ae12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次
名校
解题方法
6 . 若不等式
的解集是
.
(1)解不等式
;
(2)当
的解集为
时,求b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930a579ddfca10913b201cd03a2eedcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0b05849c5aa6777c65d0035f08ad96e.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383e0cc4ef5dc56a26a863f71bfce1f9.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bccf813015e921bfc31a9f9d5c84698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
.
(1)当
时,求关于
的不等式
的解集;
(2)
,关于
的方程
在
总有两个不同实数解,求实数
的取值范围;
(3)若
在区间
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ede4a660ea4ec1bac8834a388f54a69.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4abca1cd298c31bf8c0babfea7074d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60c885198ab1a7a342aa35ced7461b16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ec0a04d44656bd8b58d19afabbf235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-01-01更新
|
416次组卷
|
2卷引用:重庆市渝北区松树桥中学校2023-2024学年高一上学期第三次诊断数学试题
23-24高一上·广东深圳·期中
名校
8 . 设不等式
的解集为
,关于x的不等式
的解集为
.
(1)求集合
;
(2)若“
”是“
”的必要不充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703d1cafa1b570863ba1fff00a7cd7cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a833e0cdfba360da41d17aaf3d55cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次
名校
解题方法
9 . 已知不等式
的解集为
,若
,且不等式
有且仅有10个整数解,求
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51708969a776bb61c85f540b37116008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26bf41432e6c20f433138991b50dfb2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92195ffa6b336d2b34b75e60d829fc1.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 . 已知不等式
的解集是
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d7f6c9576189874a84570689b1f17b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a593ade597bb19009f4a85500ad671.png)
A.![]() |
B.![]() |
C.不等式![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次