1 . 对于函数
,若对于任意的![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1593f0b67b98e0a4aac7754f9813ed.png)
,
为某一三角形的三边长,则称
为“可构成三角形的函数”.已知函数
是“可构成三角形的函数”,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1593f0b67b98e0a4aac7754f9813ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e665349b97c76742d38f320aa2a69b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c0cbce40bbf5e530711c63e1e36c512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-03更新
|
1612次组卷
|
3卷引用:【新东方】高中数学20210304-018
14-15高一上·广东广州·期末
解题方法
2 . 设函数
,对于给定的正数
,定义函数
若对于函数
定义域内的任意
,恒有
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/523232d8d5d853772ca04306e3e8399a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca738b42a6b447ba07bf2b362fa603e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/523232d8d5d853772ca04306e3e8399a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32932deebbe48342970779ea4ae1fb9.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次