名校
1 . 已知函数
是定义域为
的奇函数,当
时,
.
(1)求出函数
在
上的解析式
(2)画出函数
的图象,并指出函数的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66062dbd4978a7bb2fb9b9aabb898af.png)
(1)求出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(2)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/29/bfc49c06-1ed5-4f7f-b86f-d43b241a0862.png?resizew=190)
您最近一年使用:0次
2017-09-19更新
|
1067次组卷
|
4卷引用:湖南省双峰县第一中学2017-2018学年高一上学期(理科实验班)第一次月考数学试题
解题方法
2 . 已知函数
是定义在
上的偶函数,且当
时,
.
(1)求出函数
的解析式;
(2)画出函数
的图象,并根据图象写出函数
的增区间;
![](https://img.xkw.com/dksih/QBM/2016/1/11/1572428039094272/1572428045180928/STEM/5465b6681b8841bd96c5641a7f78f5e1.png)
(3)设
,对任意
,存在
使
,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/1/11/1572428039094272/1572428045180928/STEM/509ba2f7eec14fed838ac9526c881f58.png)
![](https://img.xkw.com/dksih/QBM/2016/1/11/1572428039094272/1572428045180928/STEM/7347d5ad3cab410d889f9d306f814c8c.png)
![](https://img.xkw.com/dksih/QBM/2016/1/11/1572428039094272/1572428045180928/STEM/f5fbb74eb4b8402988afc2774ccaab13.png)
![](https://img.xkw.com/dksih/QBM/2016/1/11/1572428039094272/1572428045180928/STEM/8838497a69654d0084eb386c9db72b12.png)
(1)求出函数
![](https://img.xkw.com/dksih/QBM/2016/1/11/1572428039094272/1572428045180928/STEM/509ba2f7eec14fed838ac9526c881f58.png)
(2)画出函数
![](https://img.xkw.com/dksih/QBM/2016/1/11/1572428039094272/1572428045180928/STEM/7720a59880a548558e67ada34ec913cb.png)
![](https://img.xkw.com/dksih/QBM/2016/1/11/1572428039094272/1572428045180928/STEM/7720a59880a548558e67ada34ec913cb.png)
![](https://img.xkw.com/dksih/QBM/2016/1/11/1572428039094272/1572428045180928/STEM/5465b6681b8841bd96c5641a7f78f5e1.png)
(3)设
![](https://img.xkw.com/dksih/QBM/2016/1/11/1572428039094272/1572428045180928/STEM/682f5e16cd074b1da7f1851c81315503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d637a0a314c37522a167757f6c2dbd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c4d10b9b353ebd4d874c4d0014af5c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc34f6c84f8fbf322a383257a0205e46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
3 . 已知函数
(1)将函数解析式写成分段函数的形式,
(2)然后画出函数图象,并写出函数的值域;
(3)利用图象写出不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8665e3d2c225d8a9db9edf2f16c51609.png)
(1)将函数解析式写成分段函数的形式,
(2)然后画出函数图象,并写出函数的值域;
(3)利用图象写出不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf2dfac0a759952aa95c50575ca5747c.png)
您最近一年使用:0次