题目
题型:单选题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054646-87243.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054646-23394.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054646-76682.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054646-77882.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054646-76682.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054646-77882.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054646-87243.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054647-10307.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054646-23394.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054646-87243.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054647-95376.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054648-40619.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054648-69923.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054641-41566.png)
(1)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054641-94700.png)
(2)求实数
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054641-60263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054641-83331.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054642-73423.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054638-13831.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054638-29971.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054638-19465.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054638-69374.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054638-29971.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054638-15538.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054639-17307.png)
③在区间
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054639-13477.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054639-44969.png)
其中正确结论的序号是
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054635-45865.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054635-86895.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054635-41547.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054635-65237.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
已知
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054631-39107.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054632-60229.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054632-23413.png)
(1) 试判断函数
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054631-39107.png)
(2) 解关于x的不等式
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054632-34860.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054628-14147.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818054629-40334.png)
A.![]() ![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() ![]() |
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