名校
解题方法
1 . 已知函数
,
.
(1)当
时,求不等式
的解集;
(2)若存在
,使得
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4ffac4ed594636b076cb4cc9e18f102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58a086b816e9b48072d3c6a7567d087.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bc004ab4c3f7a98258ecc3429386e54.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799b324b514d6044672c133d8fef2dc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6941bdbc882785251923aec1fcdba837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-03-10更新
|
500次组卷
|
3卷引用:安徽省江南十校2022届高三下学期3月一模理科数学试题
名校
解题方法
2 . 已知函数
,其中
.
(1)当
时,求不等式
的解集;
(2)若
时,
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a9e1ff00fa0151bfcdd5542ad2d09c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f61db73a5a9bce4ece8259a4c7d29376.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca97e3aa8061c4d8e621c5598c69b13b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb8ea0b94a4dfdca119d09234656878.png)
您最近一年使用:0次
2022-04-17更新
|
453次组卷
|
4卷引用:安徽省安庆市示范高中2022届高三下学期4月联考理科数学试题
安徽省安庆市示范高中2022届高三下学期4月联考理科数学试题安徽省安庆市示范高中2022届高三下学期4月联考文科数学试题(已下线)秘籍14 不等式选讲-备战2022年高考数学抢分秘籍(全国通用)河南省豫南省级示范高中联盟2021-2022学年高三下学期联考三理科数学试题
名校
解题方法
3 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若
,
使得
能成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49afabd9830fefe3417bc1d14bb5b938.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b789accef150f9a9fa9c8f04c6dc07c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c13638c90fbb562dd59114fc2f70b7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8367e9b862f5e09c05326c532e29fb97.png)
您最近一年使用:0次
2022-03-30更新
|
647次组卷
|
5卷引用:安徽省合肥市肥东县综合高中2022届高三下学期5月监测(最后一卷)文科数学试题
解题方法
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad14880feb7789afa004189b700c334d.png)
(1)求不等式
的解集;
(2)若
对任意
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad14880feb7789afa004189b700c334d.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/822e7faca9f32459a6dfb1da73e6cec2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6ac2c21ea9061d566b0ffea62e8773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2022-04-09更新
|
334次组卷
|
2卷引用:安徽省宣城市2022届高三下学期第二次调研考试文科数学试题
解题方法
5 . 设函数
.
(1)当
时,求不等式
的解集;
(2)若对任意
,
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab53ac44f5c899d5241314178b53f9a2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc25a7cf28ed096549fbae97fce40a.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2405c4822bceae1cf191edb502d3b0.png)
您最近一年使用:0次
2022-02-04更新
|
225次组卷
|
3卷引用:安徽省宣城市2021-2022学年高三上学期期末文科数学试题
名校
解题方法
6 . 已知函数
,其中
.
(1)当
时,求不等式
的解集;
(2)若关于x的方程
的解集中恰好有一个元素,求m的取值范围;
(3)设
,若对任意
,函数
在区间
上的最大值与最小值的差不超过1,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b0c5ab37441a6363d2752e604a64e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/260b4ee055affb725ad706281cd0ab79.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab00e58e074b513ac78555e39a628c0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48222eea9755a7c7635578031a573bc4.png)
您最近一年使用:0次
名校
7 . 已知函数
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4395af4c737b48bd00af26339d5f0675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
A.若函数![]() ![]() ![]() ![]() |
B.若函数![]() ![]() ![]() |
C.若函数![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2022-01-24更新
|
1621次组卷
|
7卷引用:安徽省合肥八中教育集团铭传高级中学2022-2023学年高一上学期期末模拟数学试题
名校
解题方法
8 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)
,
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ecf04f3e228eb0352a6b6c862b3dbc6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66d61d5f66d68b4c4a2a25fd7103621.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ab90705c2893f47499f8e5a70082f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57627145c511a9e9024263eb09c5405b.png)
您最近一年使用:0次
2022-03-02更新
|
295次组卷
|
2卷引用:安徽省亳州市蒙城县第六中学2022届高三下学期开年联考理科数学试题
名校
解题方法
9 . 函数
.
(1)当
时,不等式
的解集
;
(2)若
时,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fa94dc9c6b12cce2a12a1a25a5b6ed.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04bbcc3eb28e550b30e7ba6eaa09fe8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351e06f62c94dfde21e0689d7bf35ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
10 . 已知函数
.
(1)若
且
的最小值为
,求不等式
的解集;
(2)若当
时,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f280ab5b8f40641e8e1e4c35a4561b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2e0bb6d63b7bcaee92a470d58cc399.png)
(2)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717e338241e8bb69490fa4c1c1667dc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5816b254a51b94ac180ec3b87327610e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-02-04更新
|
304次组卷
|
3卷引用:安徽省巢湖市2021-2022学年高一上学期期末数学试题