题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154625-84392.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154625-53545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154625-84392.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154625-79703.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154625-84392.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154625-16213.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154625-84392.png)
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![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154626-79259.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154625-84392.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154626-69892.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154626-25780.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154626-65661.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154627-39165.jpg)
答案
解析
试题分析:由函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154625-84392.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154625-84392.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154627-89008.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154627-88873.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154628-47925.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154628-54094.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154628-72602.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154625-84392.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154628-91942.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154626-65661.png)
核心考点
试题【已知函数的定义域为,部分对应值如表.的导函数的图象如图所示.下列关于函数的命题:①函数是周期函数;②函数在是减函数;③如果当时,的最大值是2,那么的最大值为4;】;主要考察你对函数的相关概念等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154550-76303.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154550-26935.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154550-41983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154551-89945.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154551-33660.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154551-33660.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154551-13296.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154551-71617.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154552-66731.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154552-60371.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154553-31253.png)
(Ⅰ)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154552-60371.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154554-19920.png)
(Ⅱ)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154552-60371.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154531-72113.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154531-40892.png)
①对任意的
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154531-98753.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154532-83157.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154532-14250.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154532-62935.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154532-73296.png)
则称函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154531-40892.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154532-26169.png)
下面有三个命题:
(1)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154531-40892.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154532-26169.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154533-74830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154533-77998.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154532-26169.png)
(3)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154531-40892.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154532-26169.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154533-27926.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154533-40822.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154533-41632.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154534-29230.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154522-93398.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154523-43292.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154523-69152.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154523-19459.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154523-80148.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154510-18346.png)
(Ⅰ)当
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154510-82425.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154510-26071.png)
(Ⅱ)当车流密度
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154510-11253.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154511-74051.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154501-77030.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154501-36061.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204154501-68663.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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