题目
题型:不详难度:来源:
A.-e | B.-1 | C.1 | D.e |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032544-20032.png)
核心考点
举一反三
(1)求函数f(x)的单调区间;
(2)对一切x∈(0,+∞),2f(x)≤g′(x)+2恒成立,求实数a的取值范围.
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032523-84456.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032523-36503.png)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032523-53405.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032524-65384.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032524-60305.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032524-63332.png)
(3)设
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032524-67991.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032524-75683.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032525-23125.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032525-19794.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032525-48801.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032525-96477.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032525-98222.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032459-64452.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032459-12539.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032500-67931.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032500-64795.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032500-54505.png)
(1)求实数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032500-66538.png)
(2)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032501-61407.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032501-73930.png)
(3)对任意给定的正实数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032501-32688.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032501-97574.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032501-81298.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032502-36238.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032500-67931.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032502-80299.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032445-18297.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032445-47134.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032445-51990.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032446-73014.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032446-73000.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032446-46454.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032446-73014.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032446-73000.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032446-72714.png)
(1)求直线
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032446-73014.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032445-51990.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032446-28763.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032446-61337.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032446-46454.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032446-58915.png)
(3)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032446-68703.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018032446-83928.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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