题目
题型:不详难度:来源:
A.
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120202-93481.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120202-68012.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120202-58145.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120202-16704.png)
答案
解析
试题分析:当
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120202-52535.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120203-31849.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120203-58090.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120203-23844.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120203-28432.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120204-16926.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120204-32616.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120203-23844.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120203-28432.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120204-50794.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120205-79048.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120204-16926.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120205-79048.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120205-31878.png)
核心考点
试题【设函数f(x)的定义域为D,若存在非零实数l使得对于任意x∈M(M⊆D)有x+l∈D,且f(x+l)≥f(x),则称f(x)为M上的l高调函数,如果定义域为R的】;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/20200204/20200204120150-95482.png)
①
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120145-95657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120145-93389.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120145-37885.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120145-45211.png)
其中属于集合M的函数是_____(填序号).
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120113-13744.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120113-26349.png)
A.![]() | B.2 | C.3 | D.4 |
A.{-2,0,2} | B.(1,+∞) | C.{k|k>e} | D.{k|k2>1} |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120033-55858.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120033-96323.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120033-96323.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120033-70460.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120033-61323.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120034-49407.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120034-94089.png)
①
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120034-74069.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120034-81873.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120034-94852.png)
②点
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120035-59141.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120034-74069.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120035-77942.png)
③函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120034-74069.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120035-76562.png)
④函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120034-74069.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204120036-22252.png)
则上述命题中真命题的序号是 .
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