名校
1 . 若关于
的不等式
的解集不是空集,则实数
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ac21f1294f35281e9b2ed19bbc75f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
2 . 函数
,若关于
的不等式
的解集为
,则当
时满足
的
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ad29d02e401591668b9ac9803531e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8559250e7a91f36fe7a8ec6ce6a1550f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4642c1f1c6c213cf8087222eb760965.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eedfd48e5718ea98ba4e7ac434672444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2019-12-15更新
|
252次组卷
|
2卷引用:重庆市南开中学2019-2020学年高一上学期中数学试题
名校
3 . 已知定义在
的函数
满足以下条件:
①对任意实数
,
恒有
;
②当
时,
;③
.
(1)求
,
的值;
(2)若
对任意
恒成立,求
的取值范围;
(3)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
①对任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0014a18f14d6900d305793a492548912.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6000b174147cec2de26041837aec1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/737818f97b6740bb592d0231b89a1810.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7ea535cd56c91bece5793df4dc593d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6afeede1e920a57feb40fc0cd66b961a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78613bb379f7503151ace98c60d061bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cac239cf88c335a9d452c83de197a29.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
.
(1)当
时,解不等式
;
(2)若关于
的不等式
解集为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f759e48f123d0533947467c4c71fe41a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8450d9e13cbf90a6050fb300741b661a.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/561480e3d3809613c33ce1f9c8890510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
5 . 已知函数
.
当
时,求不等式
的解集;
若
,不等式
对
都成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a30eefa391b55dfbf32bf4376f0be273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302337058242c7b78e3eb4ac7210b7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34bdf025f6472f99b0aa8849bbdcafa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae018fde08edf0539089f98c17e11ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0116c60c3ddefbf4da2efc8da91dfe8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f1a3feca6218955446108ebad0a524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-04-14更新
|
768次组卷
|
6卷引用:重庆市第一中学校2018-2019学年高二下学期期中(文)数学试题