名校
解题方法
1 . 若
,
,
,则下列不等式对一切满足条件的
,
恒成立的是______ (写出所有正确不等式的编号).①
;②
;③
;④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7dbc702617c765a573961953cc0901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8564d76ca5357c0f6237e48086d23f75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ed2296215d64f2df2cedc608a10dc61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec307143b4bf45106369f256a796d61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87f74ed01523c6de67b01c24bfe52b6c.png)
您最近一年使用:0次
2021-11-28更新
|
284次组卷
|
2卷引用:海南热带海洋学院附属中学2021—2022学年高一上学期数学第三次测试试题
2 . 下列命题是真命题的序号是______ .
(1)若
则
(2)
(3)
是对数函数
(4)
是幂函数
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1300c23cc3dd6491fe73eb4753cd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc3e5be1796493161a4df7e28a6f6b7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63af71b9e6f71cd26e6e97541154cd8c.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c11bc70ddf54136c9e381209d46957f.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904567c3b3734e1eca8d042ef7a7b2d.png)
您最近一年使用:0次