题目
题型:单选题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062106-11378.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062107-86075.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062107-85231.png)
A.![]() | B.-![]() | C.1 | D.0 |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062107-91928.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062107-86075.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062107-85231.png)
核心考点
试题【设f(x)=,则f()+f()+f(2)+f(3)的值为 ( )A.B.-C.1D.0】;主要考察你对一次函数的图象和性质等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062105-59904.png)
A.0<a≤2 | B.a≤2 |
C.a≥-2 | D.a≥2 |
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062059-57220.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062100-89858.png)
(1)求f(x)的解析式;
(2)是否存在大于1的实数m,使y=f(x)在[1, m]上的值域是[1, m]?若存在,求出m的值,若不存在,说明理由.
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062054-66474.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062055-32336.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062055-44620.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062055-32614.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062055-73007.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062055-97945.png)
(2)c为何值时,
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062056-60373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062052-93180.png)
(1)、
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062052-86296.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062052-90845.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062052-56017.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062048-20223.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062048-33448.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062048-45927.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062048-71738.png)
(2)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062048-20223.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819062049-90391.png)
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