1 . 已知函数
.
(1)若
,求不等式
的解集;
(2)对于任意的
,都有
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3152ccc9c00f6d5408f2b791a2743699.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2731d0b2e4060dbdfb89eb05c1d65805.png)
(2)对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9400642984330fb6aeaaf1a764bbe1b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4315b11ae279182270a59c1f58e8f8b8.png)
您最近一年使用:0次
2024·全国·模拟预测
解题方法
2 . 已知函数
对任意
恒有
,且当
时,
,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab4b75fa22deba7fcbcdcb31dd45b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0c6f119137e1b6760d55956d99d963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f4b1b5d580dd6713dbcb691bb96677c.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024·全国·模拟预测
3 . 已知函数
有两个极值点
,且
.
(1)求
的取值范围;
(2)求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/330360951f01422f8ffa5a3199096225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373402709a8533bc1ad49d1e2e68cd2b.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)若
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0169995a7ddcce571cdea83157ea2979.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e3b4e02955066041a5b67549295c15.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48818d31d0e9c99a6a188b9960ac1437.png)
您最近一年使用:0次
2023-11-29更新
|
405次组卷
|
6卷引用:黄金卷04(文科)
解题方法
5 . 已知
,则不等式
的解集为________ .若对于任意
,都有
,则正实数
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a97cb64885f6a1b5646840e14f42b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b76be0cb464b2a141d76963e5295a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53fea451e5a89546cf758597abf9063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a9bd59c91225e8e9b1e5d306ee41f4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
6 . 已知函数
,且
.
(1)设
,若对任意
,总存在
,使
成立,求实数t的取值范围;
(2)函数
的图象与函数
的图象关于直线
对称,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b95ca61627cda16d509ffa29cb9646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308e1e751853f5eb489240ce33ed36b5.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b324aceadfd941605fa757a5ea014c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef85b287d0fc9611ac7ba4bade11d864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d402c79f35ebafa3ac4a35e7263d4ed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6154e00013d9dee84c0e941f676ea9.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11e56709c76b5ae87d528fb5240e7617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc9ae051b39abb83cf7960a07db2b200.png)
您最近一年使用:0次
名校
解题方法
7 . 设函数
.
(1)若不等式
的解集为
,求
的值;
(2)若
,且
对任意
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57daa031c26f4f374348e85e7a0548b7.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c7b74fd862d7e3f35e40ae1f626c4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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2024-01-14更新
|
562次组卷
|
2卷引用:江西省上饶市婺源天佑中学2024届高三上学期1月考试数学试题
解题方法
8 . 已知函数
,若关于x的不等式
的解集为
,则实数a的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfed0f5516564636e930668bb44cb480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a58263dc46ac840e0978620f1ac70e6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
您最近一年使用:0次
名校
9 . 设函数
.
(1)求不等式
的解集;
(2)若对于任意实数
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83885a8e289d2f6d47ae4c6d65472761.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188281cc0c7af6e95c32b9bbb94ffc21.png)
(2)若对于任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df48a667cc95383f93aa733c0336f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-11-29更新
|
211次组卷
|
3卷引用:四川省2024届高三下学期高考仿真模拟文科数学试卷(一)
10 . 设
,
,函数
.
(1)求关于
的不等式
解集;
(2)若
在
上的最小值为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7fce5bf4773762897e5f6a56fddefeb.png)
(1)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ec08be6e5edde3502faba89bb505e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
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2023-09-21更新
|
548次组卷
|
4卷引用:考点9 与二次函数相关的参数问题 --2024届高考数学考点总动员【练】
(已下线)考点9 与二次函数相关的参数问题 --2024届高考数学考点总动员【练】湖北省黄冈市2023-2024学年高三上学期9月调研考试数学试题广东省阳江市2023-2024学年高一上学期期中数学试题(已下线)第二章 一元二次函数、方程和不等式【单元提升卷】-【满分全攻略】(人教A版2019必修第一册)