名校
1 . (1)若
,求
的最小值,并求此时x的值;
(2)解不等式
;
(3)计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9929b4a95df4cb001be158a1600ae5e4.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/609c326212b7f730962ec3fe1a2fab3b.png)
(3)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e68bd306232fb7c3dab7b2e2c52c7da.png)
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解题方法
2 . 设全集
.
(1)求集合
,
;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9147e08b1851be9e3013ef8f4e205163.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d180c600efe0e9df9fab937492eb817.png)
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名校
解题方法
3 . 已知函数
(
为常数).
(1)若
,解不等式
;
(2)当
,
时,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36bafea5a74f4751591f154770bcfe2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/984c0d730cbd5d1a09e4dda6d93ce729.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17bd7834d6f17e5f30f10ca4b562552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45340678c2ec1bc8cd68c0a3a2ab8902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed21785d64732bcc46bb3b1a091112f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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4 . 设全集为
,不等式
的解集为
,不等式
的解集为
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646ecd47d90aa98859db38a456e355f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e11c78b5589ee3f16ce25bb220c9f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f87fe3e4710d0b5b0e16b74fc2d316.png)
您最近一年使用:0次
2021-07-14更新
|
558次组卷
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2卷引用:广西玉林市育才中学2022届高三上学期开学检测考试数学(理)试题
名校
5 . 设命题
:实数满足
,其中
.命题
:实数
满足
.
(1)当
时,命题
,
都为真,求实数
的取值范围;
(2)若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1dc823077f5a0767f65ee2187834039.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3fedf3e1847bed8d2ea1a81a8eb07a8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-11-30更新
|
442次组卷
|
3卷引用:广西玉林市育才中学2020-2021学年高二3月份开学考试数学(理)试题