名校
解题方法
1 . 设函数
,其中m,n,
,
为已知实常数,
,则下列4个命题:
(1)若
,则
对任意实数x恒成立;
(2)若
,则函数
为奇函数;
(3)若
,则函数
为偶函数;
(4)当
时,若
,则
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99074f989e74d5ff306b4b7b7a379c1f.png)
其中错误的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/722bf2fc178c8f4d53c4424f4241c90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29aef458f2367b76432719f6f56275d8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0037388c0b202acddc092f2c143e3548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/502c4ff1cd420b9da4de849e63c307e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db92ae4746a34821d8c5b1cce16486b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5dabbaf770207f1d9b83ca67ac9147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
(4)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cce53f43e48a21edecc19607e94ace1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40fd17a767750d2f6445f7230093bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b019d78cb296be8a2cbd64fb96b8655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99074f989e74d5ff306b4b7b7a379c1f.png)
其中错误的个数是( )
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
2 . 已知函数
.给出下列结论:
①
是周期函数;
② 函数
图像的对称中心
;
③ 若
,则
;
④不等式
的解集为
.
则正确结论的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a1539f79806b51fecd9f71ffec5d293.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
② 函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8e25715a871814c494a00e356f46c46.png)
③ 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a037cd0360ca2174cf20c6581646c18d.png)
④不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bbc47f00aa4d9d5d9ebf322f1021b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba1420f6e7fb5c968cbe5d92c565aca.png)
则正确结论的序号是( )
A.①② | B.②③④ | C.①③④ | D.①②④ |
您最近一年使用:0次
2020-05-13更新
|
1036次组卷
|
4卷引用:上海市川沙中学2023-2024学年高一下学期3月月考数学试卷