题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041733-24367.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041733-64641.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041733-84713.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041734-16202.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041734-48346.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041734-36226.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041734-75425.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041734-48346.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041733-64641.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041734-21776.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041735-78675.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041734-21776.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041735-78675.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041735-17624.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:设
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041736-92474.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041734-48346.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041736-32996.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041736-58386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041736-27619.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041737-18119.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041737-50902.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041735-71013.png)
核心考点
试题【已知,点在曲线上,若线段与曲线相交且交点恰为线段的中点,则称为曲线关于曲线的一个关联点.记曲线关于曲线的关联点的个数为,则( )A.B.C.D.】;主要考察你对函数的表示方法等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041725-13693.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041725-93504.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041725-27270.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041726-70615.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041726-18015.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041714-79981.png)
A.y=2x-x2-1 | B.![]() | C.y=(x2-2x)ex | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041643-82524.png)
(1)当a=3时,求不等式
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041643-75674.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041643-37498.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041644-79692.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041636-89858.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041636-68763.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041636-25355.png)
图象为
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041637-95189.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041637-50359.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041631-32991.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200206/20200206041631-17368.png)
A.纵坐标伸长到原来的2倍,横坐标不变 | B.横坐标伸长到原来的2倍,纵坐标不变 |
C.纵坐标缩短到原来的![]() | D.横坐标缩短到原来的![]() |
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