名校
解题方法
1 . 已知函数
,
的解集为
或
,
(1)求a、b的值;
(2)若对一切
,不等式
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c24f7d9788fcf5c415571dc88fd2d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80056474bc0d60d9b0e5878337c1c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cb97a13dabc1046239b5d203b203d66.png)
(1)求a、b的值;
(2)若对一切
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36a0a2873a031bb4149e4e1aa42f70b.png)
您最近一年使用:0次
2 . 记关于
的不等式
的解集为
,不等式
的解集为
.
(1)若
,求
和
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207d46057895db73d760f7a7d9f23d99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0153f1f52c440bb25e9d644bf39f57e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af500a4e28d6f5b38390b7642eb96ed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c450aa751cacd6442e82062d4b8b1e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2425e1a3b595f4e3eb316bb7d8d24d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次