题目
题型:解答题难度:一般来源:不详
已知函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063831-18074.gif)
(1)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063832-47974.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063832-31003.gif)
(2)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063832-47974.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063832-31003.gif)
(3)若函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063832-47974.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063832-63787.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063832-31003.gif)
答案
解:(1)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063832-36668.gif)
(2)a=0
(3)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063832-30393.gif)
解析
核心考点
试题【本题满分12分,每小题各4分)已知函数,(1)若函数的值域为,求实数a的值; (2)若函数的递增区间为,求实数a的值; (3)若函数在区间上是增函数】;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/20190819/20190819063825-32755.gif)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063826-15779.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063826-69407.gif)
(2)求实数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063826-50046.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063826-51745.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063826-19746.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063824-38930.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063824-69178.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063825-26363.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063821-19336.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063821-71370.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063821-74734.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063821-44091.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063821-72906.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063822-40577.gif)
A.![]() | B.![]() ![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063819-58265.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063819-35111.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063820-60750.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063816-21702.gif)
(1)写出函数
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063817-97105.gif)
(2)若函数的定义域和值域是
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063817-50486.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819063817-11927.gif)
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