解题方法
1 . 设
.
(1)求
的解集;
(2)若不等式
对任意实数
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d916b7145fb85cdfe34832a799316d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6213c81ca727adbcdda8cbdbe10c30a.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbe7289134ddbb04ef304a26ae48672f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
解题方法
2 . 已知
,函数
.
(1)当
时,求不等式
的解集;
(2)若
的图象与
轴围成的三角形面积等于6时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65e349c89dc8c882dbdeac84f81c8d0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-10-30更新
|
252次组卷
|
2卷引用:四川省雅安市2024届高三零诊考试数学(理)试题
解题方法
3 . 已知函数
.
(1)当
时,解不等式
;
(2)若对任意的
,存在
,使得
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f2c26790ee5d275977a7ef2fe844251.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b21672fd907c5c92fee1d649e7003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e5c1a7acdad9794447abfe58bd9f806.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94f9d255ca420fa2486b11fcb7763b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33890c6b0bf167514d44139d9dca0154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44196db1c1f4366ff36bcbcfdecc05fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-09-01更新
|
351次组卷
|
3卷引用:陕西省西安市部分学校2024届高三上学期8月入学考试文科数学试题
解题方法
4 . 已知函数
,其中
为常数.
(1)求
的最小值;
(2)若
,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4490503c29b1743ca34b05e900d8730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef118cce5443a4d794561f5ef8e1fcc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251b025e640117a755903935f833493.png)
您最近一年使用:0次
解题方法
5 . 已加
.
(1)解不等式
;
(2)令
,若
的图象与
轴所围成的图形的面积为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067847202331db41f25d3214484f902e.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abdaffa9c15517afe6d7ba6488f88f67.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0384a0466920e5bf00231a5c5bf77969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-01-12更新
|
311次组卷
|
5卷引用:陕西省榆林市米脂中学2024届高三上学期第六次模拟考试数学(文)试题
解题方法
6 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)设
,若
的最小值为2,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b1f328fcd670bfd11fa568abdf7f6c4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e368f1b7109436bb94f40363544ffec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a8a9f4f0d6590de86becb733bd1b6b.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9157580973e78e7fc38f7cb4cceb88f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc3cedcc876108b6c0fb51cd37285637.png)
您最近一年使用:0次
2024-01-11更新
|
255次组卷
|
2卷引用:陕西省安康市高新中学、安康中学高新分校2024届高三上学期第二次“尖子生计划”考试理科数学试题
解题方法
7 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d70f223c629dc86d00694b00c2f058.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7a504db9edcdb6add26ecc72e18359a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f0c12b080d33793aebdf417a0cb498b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
8 . 设集合
.
(1)若
,试用区间表示集合
,并求
;
(2)若
,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20eca97f66730b2ed0c1bdad2fe0367d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a625666afb6f983fe722af3e2fa07354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7079eec837de4dc4279f66e3668dc499.png)
您最近一年使用:0次
解题方法
9 . 已知函数
.
(1)若
恒成立,求a取值范围;
(2)若
的最大值为M,正实数a,b,c满足:
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a956d8c06c24b4c4c3daceefd1997333.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d845d3341425e66d9d6db24009108ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/989680e6b74504b71f5ece8771c5301d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df35ee08f8d3ecae348c962c1e9ab18f.png)
您最近一年使用:0次
2024-01-08更新
|
505次组卷
|
3卷引用:四川省南充市2024届高三一模数学(理)试题
名校
解题方法
10 . 设函数
.
(1)解不等式
;
(2)令
的最小值为
,正数
满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2790f3349fae2119070e9a512717aa9e.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/155834bf3412ebac9896c0cce9e2cb31.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ccb77ba53e986204cd158abb87bcbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4336688b5b9fb6d91400401756cc45e8.png)
您最近一年使用:0次
2024-01-03更新
|
898次组卷
|
11卷引用:四川省雅安市2024届高三一模数学(理)试题