1 . 若函数
满足
且
(
),则称函数
为“
函数”.
(1)试判断
是否为“
函数”,并说明理由;
(2)函数
为“
函数”,且当
时,
,求
的解析式,并写出在
上的单调增区间;
(3)在(2)条件下,当
,关于
的方程
(
为常数)有解,记该方程所有解的和为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f865658d52dc9a5cff15e6f68d619b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac57a4fb21a142b8037a125c3dc191f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b21ccafa1ea9f2bf63343c1e09069c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6404751e42986a04f33c28167ea2dd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be95cb9223378f3d4e3a90edad4f6b9.png)
(3)在(2)条件下,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e8aee4194937e6f7ea194b629f5cd05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
您最近一年使用:0次
2023-01-07更新
|
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7卷引用:四川省绵阳南山中学2022-2023学年高一下期3月月考数学试题
解题方法
2 . 已知函数
,以下结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b142e52baf0024a255739ed0b4855bf.png)
A.它是偶函数 |
B.它是周期为![]() |
C.它的值域为![]() |
D.它在![]() |
您最近一年使用:0次
2022-12-12更新
|
1474次组卷
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3卷引用:四川省绵阳市绵阳东辰高级中学2022-2023学年高一下学期期中数学试题
3 . 已知函数
,若方程
有四个不同的实数根
,
,
,
,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be018dbac3ae09a2fd5702bfc53353e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8848b61151263378c24eff1a68953597.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2741ca619df1d9ab3d9ced4c49142dc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-03-09更新
|
2836次组卷
|
8卷引用:四川省绵阳市江油市江油中学2021-2022学年高一上学期12月月考数学试题