解题方法
1 . 已知函数
.
(1)若不等式
的解集为
,求
的值;
(2)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0f996bc40e606a0df0d8bd1d82c66d.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15e5652f093c9852223499350d805a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5548c101f84334ab651fd7139e324f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
您最近一年使用:0次
名校
2 . 设
对任意
恒成立,其中
、
是整数,则
的取值的集合为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43c72cfbd2b796fbc0a1876887b2b6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168163183a3d4663be45755f44676191.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/20d6fc9b90f370fbb27552876b650f8f.png)
您最近一年使用:0次
名校
3 . 已知定义在
上的函数
在
上是减函数,若
是奇函数,且
,则不等式
的解集是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c5b27d7ec9b36246f8c1f11e3180b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9fd1c73fa2d3306cc92590daf4d52ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7710c9adde66889202e9756a760ffe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2017-12-31更新
|
2868次组卷
|
2卷引用:河北省定州中学2017-2018学年高一上学期第二次月考数学试题