名校
解题方法
1 . 定义:若存在正数a,b,当
时,函数
的值域为
,则称
为“保值函数”.已知
是定义在R上的奇函数,当
时,
.
(1)当
时,求
的解析式.
(2)试问
是否为“保值函数”?说明你的理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e207cf62e3a7e282eac4c4a3455bbf9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3859cd3de4d6d485df050b0f5321d6c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db355ff4eb6f6b79670b74fb0b6808af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3859cd3de4d6d485df050b0f5321d6c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0863f6d5fdf4f5646ab6a38c5943a3e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)试问
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2022-11-02更新
|
428次组卷
|
4卷引用:河南省南阳地区部分学校2022-2023学年上学期高一上学期期中热身摸底测试数学试题
名校
解题方法
2 . 已知函数
是偶函数(其中a,b是常数),且它的值域为
.
(1)求
的解析式;
(2)若函数
是定义在R上的奇函数,且
时,
,而函数
满足对任意的
,有
恒成立,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d794f10a4d0efe9aba0e98242f47333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c36c3781d5caf82f3749cd503d23ad6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c459c5d37f30210330dbeaf49f5662f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a04d5dedf90c054802fa63dfddbf53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b4ecaea942c9db398b401df1b324b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056b0b36f15ae78b0ec18555cc5c0fce.png)
您最近一年使用:0次
2022-02-11更新
|
293次组卷
|
2卷引用:河南省信阳市信阳高级中学2021-2022学年高一上学期期末考试理科数学试题