名校
解题方法
1 . 已知函数
,则关于
的不等式
的解集为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15cf390ae3cbec09fc211ffa347dc7a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea74ca4a5fe5f62d9d086ad89727b1f8.png)
您最近一年使用:0次
2020-05-09更新
|
1117次组卷
|
4卷引用:8.8 对数运算及对数函数(精练)
2 . 已知
表示不超过
的最大整数,如
,
,
.令
,
,则下列说法正确的是__________ .
①
是偶函数
②
是周期函数
③方程
有4个根
④
的值域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fab6009ffb15a88bd843a1c2b8d7770.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a5576725ed5aab23ccf609a0439ed7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d38a4f28e1d02c0129c2dbdb40d319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80714bbea1a946b7d51a83975d3e1ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a68e4768aea82c834d48062e562389a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db663f5503804d3482f82c090dd51ec.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
③方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f79779c9eb6ba0d2dc8a2c236b9f096.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1924f683f9c883587b48ccddd8f00f99.png)
您最近一年使用:0次
11-12高三上·甘肃兰州·阶段练习
3 . 关于函数
(
R)的如下结论:
①
是奇函数; ②函数
的值域为(-2,2);
③若
,则一定有
; ④函数
在R上有三个零点.
其中正确结论的序号有 .(请将你认为正确的结论的序号都填上)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26540b7fe28e6a10c2f52c6bed3310ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e44c45ef0334070fc149b452dee26ae5.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360880b267f405ee5900bcbda6c9576b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5e426b4873e854107c88134b14dfb64.png)
其中正确结论的序号有 .(请将你认为正确的结论的序号都填上)
您最近一年使用:0次