名校
1 . 已知函数
,
(1)解关于a的不等式
;
(2)若不等式
的解集为
,求实数a,b的值;
(3)对任意的
,不等式
恒成立,求实数a的取直范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460e15a4b7ae7593d199db8fc5ef6d6f.png)
(1)解关于a的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f54ecfa11026d97c8d315e55e0d34a.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8369382ab01dcf4eca6287af89c06f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a7e88b74f492f89e21e4cf65353bdb6.png)
(3)对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03db2421a0422a6e02286dd681d8afb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1095bc055c41fa7d7e84b5726889319.png)
您最近一年使用:0次
名校
2 . 已知命题
:
,命题
:
.
(1)当
时,命题
对应的
的范围记为集合
,命题
对应的
的范围记为集合
,求
.
(2)若
是
的充分条件,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9921de84514e9b4f77068eb1911ca0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad6adceba6bb9bb4847d51cbf493e0f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4afabfd5b4885311f8d9a4bcf791b71.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2021-12-29更新
|
174次组卷
|
2卷引用:内蒙古霍林郭勒市第一中学2021-2022学年高二上学期期中考试数学(文科)试题
3 . 方程
,
(1)一根在0和1之间,另一根在1和2之间,求实数
的取值范围.
(2)两根都在
之间,求
的范围.
(3)在
之间有一个零点,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef08efba1c3e55f58572d1bf1e24eab9.png)
(1)一根在0和1之间,另一根在1和2之间,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)两根都在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
4 . (1)已知一元二次不等式
的解集为
,求不等式
的解集.
(2)若关于
的不等式
的解集为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb56d9418f1a3cb2baa6b0c862010ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba00869148191a45463037bbe9ab77c.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433baade5ef7d87d305f151eced0bd61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
5 . 已知函数
.
(1)当
时,求
的解集;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f3fbf2061588af981e1ddc31ee93d8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67924b367a3ce000502f6396d080ab56.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d7a6a3e3d5956b78aeb7eadc3054fa7.png)
您最近一年使用:0次
解题方法
6 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)求不等式
的解集;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2fcc9c4711b12851a5e50795b3fc4c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2aceeef31d88887cb13b1a02c1b938c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a5bd952d2ca688567cd8c90c9dc1ac6.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
7 . 已知
.
(1)求关于x的不等式
的解集;
(2)若不等式
对任意
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77d7dc18c94f7ac876be4b62c0d75a63.png)
(1)求关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04005072a28f26bdfe69a6a2d2b4059d.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2608f1bb6d38754cebea9a9fc7f8fabc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29aef458f2367b76432719f6f56275d8.png)
您最近一年使用:0次
名校
解题方法
8 . 已知命题
:“方程
有两个不相等的实根”,命题
是真命题.
(1)求实数
的取值集合
;
(2)设不等式
的解集为
,若
是
的充分条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36bcb4df710cf7fc5a4159380ae5451e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d265e5e9080ddd90f80de0bee1b6af5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7e1fa812959e02056b3fe12782dd94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-11-23更新
|
115次组卷
|
3卷引用:宁夏银川市第二中学2022-2023学年高二上学期期中考试数学(文)试题
名校
9 . 已知关于x的函数:
,其中
,则下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef398c756155e169de137832edc6611.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
A.当![]() ![]() ![]() |
B.若不等式![]() ![]() ![]() |
C.若方程![]() ![]() ![]() ![]() |
D.若方程![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
10 . 已知函数
,不等式
的解集是
.
(1)求
的解析式;
(2)若对于任意
,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07637cc6aa533527c17edf76155c8d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b817338735d4c23394d6601a7ea4ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c32de0a15da1cb7cc8043f99f944d93.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5138e260da0c66de38a4a8785bbb0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/166c538901592204800157de691874be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08075b3b73dd2609baad69a496fdd9a8.png)
您最近一年使用:0次
2022-10-24更新
|
371次组卷
|
5卷引用:四川省泸州市龙马高中2022-2023学年高二上学期期中考试数学(文)试题