题目
题型:不详难度:来源:
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①
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144414-80633.png)
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其中为m函数的序号是 .(把你认为所有正确的序号都填上)
答案
解析
试题分析:①若
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144415-47373.png)
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![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144415-25966.png)
核心考点
试题【若函数满足,对定义域内的任意恒成立,则称为m函数,现给出下列函数:①; ②; ③; ④其中为m函数的序号是 .(把你认为所有正确的序号都填上】;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/20200204/20200204144348-23838.png)
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![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144349-14276.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144349-14276.png)
(2)假设网校的员工工资、办公等所有开销折合为每套题2元(只考虑销售出的套数),试确定销售价格
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144348-55481.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144325-83468.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144325-71710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144325-97905.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144326-46167.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144326-88745.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144326-74700.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144226-53193.png)
⑴当
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144226-58287.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144226-86986.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144226-89354.png)
⑵当
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144226-52121.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144227-77464.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144227-61846.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144227-40488.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144227-67748.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144208-99400.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144208-93973.png)
A.![]() | B.![]() |
C.![]() | D.{x|-3≤x<6且x≠5} |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144143-31855.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144143-54004.png)
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![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144144-70421.png)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144144-68189.png)
(2)证明:当
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144145-32211.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144144-63334.png)
(3)已知
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144145-26714.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144145-85302.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144145-67362.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144146-79778.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204144146-63444.png)
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