题目
题型:填空题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051355-15082.png)
①其图象关于
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051355-70511.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051355-46904.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051355-56499.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051355-23688.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051355-56499.png)
③
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051355-56499.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051355-76959.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051356-35990.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051356-95869.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051355-56499.png)
其中所有正确结论的序号是 .
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051356-36505.png)
③
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051356-78956.png)
④当-1<x<0或x>1时函数
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051356-36505.png)
核心考点
试题【关于函数,有下列命题: ①其图象关于轴对称; ②当时,是增函数;当时,是减函数; ③的最小值是; ④当和时,分别是增函数;其中所有正确结论的序号是 】;主要考察你对函数的单调性与最值等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051352-13102.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051352-84199.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051352-13102.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051353-87502.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051353-83512.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051353-13992.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051353-35116.png)
若
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051347-84139.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051347-58593.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051347-83743.png)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051347-84139.png)
(2)若在区间
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051348-39860.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051348-49455.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051344-73859.png)
(1)求f(1)的值;
(2)判断f(x)的单调性并加以证明;
(3)若f(3)=-1,解不等式f(|x|)>-2.
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051335-23868.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051335-63600.png)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051335-28241.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051335-30775.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051335-30775.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051335-52700.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051336-88940.png)
(3)在满足(2)且当
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051336-37453.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051336-47213.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051336-27922.png)
恒成立,求
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051337-75626.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051332-12849.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051332-53015.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818051332-22174.png)
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