题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025201-60191.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025201-18476.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025201-96191.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025202-29492.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025202-90386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025202-80166.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:因为
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025203-46360.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025203-65258.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025202-29492.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025202-90386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025204-31221.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025204-33751.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025204-31221.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025204-47241.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025204-43045.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025205-12760.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025205-93711.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025205-38677.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025205-58990.png)
核心考点
举一反三
A.(-3,0)∪(3,+∞) | B.(-3,0)∪(0,3) |
C.(-∞,-3)∪(3,+∞) | D.(-∞,-3)∪(0,3) |
(1)求函数f(x)的解析式;
(2)求函数f(x)的单调增区间,并求函数f(x)在[-1,3]上的最大值和最小值.
(1)当a=0时,f(x)≥g(x)在(1,+∞),上恒成立,求实数m的取值范围;
(2)当m=2时,若函数h(x)=f(x)-g(x)在[1,3]上恰有两个不同的零点,求实数a的取值范围.
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025124-67091.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025124-28960.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025125-90977.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025125-73398.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025125-45903.png)
(1) 求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025125-67871.png)
(2)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025125-89455.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025125-27401.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025111-25615.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025111-50799.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025111-63915.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025111-11532.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025111-77895.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018025111-22800.png)
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