题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000405-89445.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000405-57916.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000406-19440.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000406-18929.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000406-20808.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000407-21843.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000407-27951.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:因为函数
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000405-57916.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000406-19440.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000406-18929.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000405-57916.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000408-90678.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000407-27951.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000407-50934.png)
点评:注意总结周期的有关知识。若函数
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000408-49878.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000406-19440.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000408-26518.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000408-49878.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000408-73438.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000340-16572.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000340-74079.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000340-11804.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000341-29466.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000341-16983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000341-94125.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000341-20618.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000341-61472.png)
A.335 | B.338 | C.1678 | D.2012 |
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000327-90508.png)
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000329-35136.png)
(2)根据(1)的结果,若函数
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000330-69732.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000330-61441.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000330-82784.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000330-56431.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000327-84994.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000322-65686.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000322-86253.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000322-92926.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000244-96138.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000245-16197.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000245-62466.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000246-94281.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000244-96138.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000246-12385.png)
(2)试判断函数
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000244-96138.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000246-20824.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000231-32006.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205000232-83409.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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