题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052058-17191.png)
答案
解析
试题分析:
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052058-13791.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052058-99654.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052059-66170.png)
所以曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052059-32176.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052059-41733.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052059-45235.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052059-49038.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052100-86571.png)
令
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052100-54407.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052100-59359.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052100-71705.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052100-86791.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052101-21206.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052101-99169.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052100-71705.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052101-23729.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052101-29428.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052101-29158.png)
核心考点
试题【曲线y=在点M(π,0)处的切线与两坐标轴围成的三角形区域为D(包含三角形内部与边界).若点P(x,y)是区域D内的任意一点,则x+4y的最大值为 .】;主要考察你对简单的线性规划等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052050-29105.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052050-73372.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052050-50961.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052051-37021.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052045-27523.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052040-96059.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052040-28269.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052030-78730.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052031-63708.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052031-80520.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052031-78514.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052031-62626.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052031-69893.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052021-89742.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052021-24816.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052021-33408.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017052021-76936.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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