题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033412-99293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033412-46050.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033413-87842.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033413-57951.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033413-85020.png)
A.![]() | B.2 | C.![]() | D.8 |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033414-52902.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033414-86373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033414-88068.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033414-93012.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033415-82630.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033415-34580.png)
则问题转化为求曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033414-88068.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033414-86373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033415-82630.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033415-52070.png)
直线
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033415-82630.png)
由
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033414-88068.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033415-11525.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033415-56815.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033416-54718.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033416-71394.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033416-71574.png)
由
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033416-82608.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033417-63921.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033417-66955.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033415-82630.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033417-59531.png)
从而有
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033417-21397.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033351-98450.png)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033351-93462.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033351-51004.png)
(2)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033351-51004.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033351-88465.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033351-68209.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033352-14728.png)
(Ⅲ)设
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033352-83388.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033352-37275.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033352-48810.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033353-29754.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033353-88935.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033332-54594.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033332-14615.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033332-53239.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033332-14568.png)
(1)求实数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033333-72026.png)
(2) 求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033333-87562.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033333-67992.png)
(Ⅲ)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033333-29025.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033333-62527.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033334-59133.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033334-53813.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033332-14615.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033334-77150.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033334-44366.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033323-25662.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033323-44194.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033323-28476.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033324-28760.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033311-79367.png)
(Ⅰ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033312-26685.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033312-80995.png)
(Ⅱ)设函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033312-80995.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033312-73172.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033312-75954.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033312-75954.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033312-73172.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033257-42874.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033257-41317.png)
(Ⅰ)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033257-10032.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033257-23924.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033257-87026.png)
(Ⅱ)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033257-80969.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033257-92460.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018033258-64356.png)
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