题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141411-83889.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141412-70558.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141412-84147.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141412-56450.png)
(Ⅰ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141412-17493.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141412-84147.png)
(Ⅱ)设
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141413-23245.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141413-73294.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141412-84147.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141413-15106.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141413-30979.png)
解析
试题分析:(Ⅰ)因为顶点
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141412-84147.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141412-56450.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141414-94883.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141412-17493.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141414-37744.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141414-66315.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141414-51425.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141413-15106.png)
(Ⅱ).设
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141414-94883.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141413-73294.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141414-73079.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141415-92825.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141413-30979.png)
试题解析:(Ⅰ)设
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141414-94883.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141414-37744.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141414-66315.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141414-51425.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141415-93120.png)
(Ⅱ).设
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141414-94883.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141415-10440.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141415-57040.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141414-73079.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141415-92825.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141413-30979.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141344-15415.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141344-28367.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141345-12999.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141345-59168.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141345-58342.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141345-91855.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141346-16687.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141346-14004.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141346-75944.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141346-20091.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141346-77824.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141344-28367.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141345-59168.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141306-10800.png)
(1)写出如何由函数
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141307-70599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141307-35733.png)
(2)在
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141307-64308.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141308-83441.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141308-12414.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141308-51753.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141308-28444.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141253-86602.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141253-66352.png)
A.一解 | B.两解 | C.一解或两解 | D.无解 |
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141228-36955.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141228-29218.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141228-74548.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141229-33430.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141229-48437.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141229-99223.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141229-38012.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141230-62588.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141230-94498.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141230-53753.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141230-39974.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141228-36955.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141231-88856.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141130-42809.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141130-64393.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141131-25601.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141131-53958.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019141131-58675.png)
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