名校
解题方法
1 . 已知函数
的定义域为R,其图像关于原点对称,且当
时,
.
![](https://img.xkw.com/dksih/QBM/2022/1/20/2898689891188736/2909199447465984/STEM/93976392-0425-4cb0-bb29-fab616dba1bd.png?resizew=208)
(1)请补全函数
的图像,并由图像写出函数
在R上的单调递减区间;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757f48efd9a569a73e212fa8ac37ae9a.png)
![](https://img.xkw.com/dksih/QBM/2022/1/20/2898689891188736/2909199447465984/STEM/93976392-0425-4cb0-bb29-fab616dba1bd.png?resizew=208)
(1)请补全函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3467549dafcd3483b022d9ba5535a94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab312756060437cb8ac9e784ff07177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02bca9c45069896c2ac4cbbbe8c39fb.png)
您最近一年使用:0次
2022-02-04更新
|
244次组卷
|
3卷引用:安徽省宣城市2021-2022学年高一上学期期末数学试题
解题方法
2 . 已知
,
,现有如下说法:①
;②
;③
.则正确的说法有______ .(横线上填写正确命题的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eb4a2d342b5210b2a7f66c87b92caee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee38aaef3d774f1f3ec9feec48719a6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0efa8c67c04d16b7e2d20f9fd90264ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ba5f6d6fd74616791ca9634c0ac55d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/436bd161a549d55e748a72d95f71ea8c.png)
您最近一年使用:0次