题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042137-34845.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042138-39984.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042138-63890.png)
A.3 | B.6 | C.9 | D.18 |
答案
解析
试题分析:因为,
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042137-34845.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042138-39359.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042137-34845.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042138-39984.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042138-44676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042139-28884.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042139-71245.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042139-42760.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042139-87825.png)
从而
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042139-77108.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042138-63890.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042123-66935.png)
(l)若x=0是函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042124-78832.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042124-48674.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042124-48674.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042124-24375.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042124-78832.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042124-24375.png)
围;并由此判断曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042124-78832.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042124-72632.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042124-24375.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042113-51473.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042113-50263.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042106-99004.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042106-18691.png)
(2)当m为何值时,不等式
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042106-74817.png)
(3)证明:当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042107-10481.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042107-58994.png)
(e为自然对数的底;参考公式:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042107-67893.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042056-22146.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042056-15599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042056-42435.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042056-19781.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042056-44689.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042056-97242.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042057-88372.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042057-98203.png)
(3)设
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042057-34386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042057-94670.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042057-28754.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042057-79513.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042057-98203.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042042-41012.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042042-92777.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042042-92777.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042042-86729.png)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042042-97995.png)
(2)证明不等式
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018042042-69337.png)
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