名校
1 . 已知
,函数
,
.
(1)若
在
上单调递增,求正数
的最大值;
(2)若函数
在
内恰有一个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a51d1e0b3483d51f972afde9f6f88a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddd60c79344621d7d6ee9d81aaf2061f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/904f3603b15f018a39aef1531cbe7444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7f1e9ff270b47d4d0287619bf997b1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-08-06更新
|
1975次组卷
|
5卷引用:吉林省吉林市桦甸市第四中学2018-2019学年高一下学期期末数学试题