名校
解题方法
1 . 已知命题:“函数
的定义域为
”是真命题.
(1)求实数
的取值集合
;
(2)设不等式
的解集为
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f420d964d02885e2fa8ea3e0a718623b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a19448eb24d26b6a689d9f87a10b7370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-11-24更新
|
611次组卷
|
2卷引用:广东省广雅中学2021-2022学年高一上学期期中数学试题
解题方法
2 . 已知函数
的定义域为
,不等式
的解集为
.
(1)求
;
(2)已知非空集合
,若
,则实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0193881eab23843c1c4c35980a177b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e979677819e68abeced1994e877a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)已知非空集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e5f442bc264897a6e1a4ffd84734bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07241606934d6c75cf04455979d0e1b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2021-09-04更新
|
472次组卷
|
3卷引用:广东省肇庆市加美学校2022-2023学年高一上学期期末模拟数学试题
广东省肇庆市加美学校2022-2023学年高一上学期期末模拟数学试题湖南省邵阳市新邵县2020-2021学年高一上学期期末数学试题(已下线)4.4对数函数--2021--2022高一上学期数学新教材配套提升训练(人教A版2019必修第一册)
解题方法
3 . (1)已知集合
若
,求实数
的取值范围;
(2)已知
.当不等式
的解集为
时,求实数
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66650bd8af681259d85b532ae109945a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d64eb9797ef10c5863b7594796ef459.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知
![](https://img.xkw.com/dksih/QBM/2015/1/23/1571969336139776/1571969341440000/STEM/c8a53e2b12634b219ac1bfadcca152f5.png)
![](https://img.xkw.com/dksih/QBM/2015/1/23/1571969336139776/1571969341440000/STEM/2fc57f6e06fb4f2981c4a9e77736504f.png)
![](https://img.xkw.com/dksih/QBM/2015/1/23/1571969336139776/1571969341440000/STEM/c8c7b76ee8f84813af17b8c1444cc088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://img.xkw.com/dksih/QBM/2015/1/23/1571969336139776/1571969341440000/STEM/90cfb26982b8435e85d0bbd13fcd5756.png)
您最近一年使用:0次