名校
解题方法
1 . 已知函数
(其中
).
(1)当
时,求证:
;
(2)当
时,解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f0e28afc17625f101ab579ae48c388e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f479cb51006f3e07f00ec7a671060d7.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40fd6f2e35b2ea27a876ad7f586654af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e92b9e9995dbc2e3ee5cdf221dcbbc.png)
您最近一年使用:0次
2021-05-11更新
|
259次组卷
|
4卷引用:山西省晋中市2021届高三三模数学(文)试题
名校
2 . 【选修4-5:不等式选讲】
已知函数
.
(1)解不等式
;
(2)已知
,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed9840614ca095f7b02f5572fa806b4.png)
恒成立,求函数
的取值范围.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3191c6f56e4d84227832afd40f4b42.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598d0cf41ce295e5577b6add7e0a46bf.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25473df8468b53d65590e4d556f0a8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed9840614ca095f7b02f5572fa806b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf8197e4f3fd18815045d29c357a863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-04-11更新
|
542次组卷
|
4卷引用:2017届山西省大同市灵丘豪洋中学高三下学期第三次模拟考试数学(文)试卷