题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164927-37149.png)
①过该函数图像上一点(
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164927-60884.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164927-67651.png)
②函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164928-48943.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164928-10624.png)
③该函数图像与
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164929-43248.png)
④函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164928-48943.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164929-14728.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164929-75819.png)
其中正确命题的序号为
答案
解析
试题分析:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164929-55712.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164929-96222.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164930-74419.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164930-53379.png)
且
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164928-48943.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164930-94623.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164930-14255.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164929-55712.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164928-48943.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164931-97077.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164931-85509.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164931-18533.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164931-46703.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164931-73903.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164931-85509.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164928-48943.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164932-82048.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164928-48943.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164928-10624.png)
因为
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164932-60919.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164928-48943.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164932-52991.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164931-85509.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164931-18533.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164932-10154.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164932-10154.png)
故答案为①②④.
核心考点
试题【对于函数,①过该函数图像上一点()的切线的斜率为②函数的最小值为 ③该函数图像与轴有4个交点④函数在上为减函数,在上也为减函数其中正确命题的序号为 】;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/20200204/20200204164906-83908.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164906-47569.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164906-61671.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164907-65314.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164756-85912.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164756-64585.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164756-73320.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164756-96016.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164757-12623.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164757-76654.png)
(1)判断
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164756-85912.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164756-64585.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164757-56002.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164757-38405.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164758-33607.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164736-73435.png)
(Ⅰ)若
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164736-99275.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164736-12764.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164737-63500.png)
(Ⅱ)当
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164737-84206.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164737-57023.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164737-99104.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164730-38797.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164730-78776.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164730-64924.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164730-64924.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164730-78776.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164731-31597.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164730-78776.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164731-13469.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164731-65697.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164730-78776.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164731-87686.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164731-64691.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164732-72469.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164731-65697.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164732-72469.png)
A.既没有最大值,也没有最小值 | B.既有最大值,也有最小值 |
C.有最大值,没有最小值 | D.没有最大值,有最小值 |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164635-74602.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164635-35203.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204164636-99297.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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