题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062529-76705.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062529-61148.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062530-23176.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062530-46157.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062530-52322.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062530-23566.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062530-33844.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062531-44577.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062531-79699.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062531-78639.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062531-50074.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062532-51540.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062532-10384.png)
解析
试题分析:由实数
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062532-67985.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062531-78639.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062532-74166.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062532-74915.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062533-54125.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062532-67985.png)
试题解析:解:(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062531-78639.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062533-83054.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062533-43891.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062532-74166.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062533-54125.png)
①当
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062530-46157.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062533-92395.png)
②当
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062530-23566.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062530-33844.png)
③当
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062531-44577.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062533-63784.png)
④当
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062532-51540.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062534-87557.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062533-43891.png)
综上所述,当
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062530-46157.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062530-52322.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062530-23566.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062530-33844.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062531-44577.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062531-79699.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062531-78639.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062531-50074.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062532-51540.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062532-10384.png)
核心考点
试题【设,解关于的不等式.】;主要考察你对一元二次不等式及其解法等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062521-30007.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062521-17870.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062521-59419.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062522-16037.png)
(2)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062522-59113.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062522-80850.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062512-20350.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062513-53693.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062513-91993.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062505-41889.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062500-94748.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062501-19385.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062447-49943.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016062447-80419.png)
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