解题方法
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0754516ed67963684c5dbb756a66ddc7.png)
(1)求函数
的极值;
(2)若关于
的不等式
在
上恒成立,其中
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0754516ed67963684c5dbb756a66ddc7.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75da141b9d701699ddd3ace3ed30e03b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b6c5526947e9bef051bc3bdf7fd186d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2 . 已知函数
.
(1)当
时,求
的单调区间;
(2)若存在
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a382b6364d933a51a6a650c667fec1a9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a81e971f501d78f5560c0c3d42f0f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9943bb909e2c5d2c5695223bd4fc9727.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53146cece583302db7eda9aaee68697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-01-17更新
|
1061次组卷
|
7卷引用:新疆昌吉州2022届高三上学期第二次高考质量检测数学(文)试题
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ed0f44c53c95bdaf32069eee18de98.png)
(1)若函数
在定义域上是增函数,求
的取值范围;
(2)若
恒成立,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ed0f44c53c95bdaf32069eee18de98.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361f7fc6f387c880147685c65ec91705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次