名校
1 . 已知
:
,
:
.
(1)若
是真命题,求对应
的取值范围;
(2)若
是
的必要不充分条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ab98a8985fa486cf57221143e00c8e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1972ce5a7967f20b02e06f16cb37f8a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.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/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-09-11更新
|
1681次组卷
|
7卷引用:河南省信阳高级中学(北湖校区)2023-2024学年高一上学期9月月考数学试题
名校
解题方法
2 . 已知函数
,
.
(1)求函数
的最小值;
(2)设
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a483b28b0a51697e711e832a5ca3d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0bc6775d59e23a45d1c4357d5ffe228.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cfcc567b95a320abcb25509923cd001.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76acc9d0f0f0f6befbb9d9a64c497d2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef791a5215dfbde16dea9499dda72a53.png)
您最近一年使用:0次
2023-07-27更新
|
302次组卷
|
8卷引用:河南省商丘市等2地2023届高三三模数学(理)试题
解题方法
3 . 已知函数
.
(1)
,解不等式
;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0dc35ef330a91566674b6ea35f8f8ac.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fbc901cbdb68130ddac3174583dd93c.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc25a7cf28ed096549fbae97fce40a.png)
您最近一年使用:0次
2023-03-08更新
|
324次组卷
|
4卷引用:江西省赣州市2023届高三摸底考试数学(文)试题
名校
解题方法
4 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cfaa9e73ac63fc881edd08ebb9b781b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93a699a385ae453ce1a6f98e6eb519b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c654568fa49b26d57e638e6c85d5b084.png)
您最近一年使用:0次
2023-02-22更新
|
286次组卷
|
8卷引用:河南省安阳市重点高中2022-2023学年高三下学期2月联考理科数学试卷
解题方法
5 . 已知函数
.
(1)求不等式
的解集;
(2)记
的最小值为m,若
,
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72157c1977b28de95ae5d0f7f7e09f55.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ce2c145d9e26ed86d1700c4d2e072e.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab884c16bcf9c23bdcf829e17fd0b22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b6c5e21768e5973a49e215c5c54887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee40669174b9366553f71a81da015840.png)
您最近一年使用:0次
2022-03-05更新
|
350次组卷
|
3卷引用:宁夏吴忠市2023届高三下学期一轮联考数学(理)试题