1 . 下列函数中,在区间
上单调递减的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 设命题
实数
满足
,其中
;命题
:实数
满足
.
(1)当
时,若命题
和命题
都是真命题,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/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6048ff0be99a96698fc535d887840f0.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/de46aa3509b4582523937ff4fe0218de.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/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
且
的图象过点
.
(1)求不等式
的解集;
(2)已知
,若存在
,使得不等式
对任意
恒成立,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12291a5bb418dbfdc6e31c5ffc26acea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ac87c1bd6a7938e64651ac58d051bc.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4204cf940be2b578a056a7854db2a2.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7905fd422e78a1d22ff6f11950bc5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbeda12757923af6302d15fe252b5681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc7b8e63ed05e5bc3a00281b86720cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a0b1eb807465b9f7fe538d444703ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-02-29更新
|
393次组卷
|
4卷引用:河南省部分学校2023-2024学年高一上学期期末大联考数学试题
名校
4 . 已知命题
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9aa568303f47f51aade4d880bfab7d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-02-29更新
|
469次组卷
|
4卷引用:河南省部分学校2023-2024学年高一上学期期末大联考数学试题
解题方法
5 . 若集合
,
,则
的元素个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c8f3638e2cb37e11fe5035b83c3558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607cc2d3bc0f157ebcc48041800892a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15dbee6559c6cb3eb38549ba1b66a528.png)
A.3 | B.2 | C.5 | D.4 |
您最近一年使用:0次
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解题方法
6 . 已知定义在
上的函数
,且
是偶函数.
(1)求
的解析式;
(2)当
时,记
的最大值为
.
,若存在
,使
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c763c703dc84bae6cb12bff6e3b232f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95c822c874e9ccc9ed9e0d126b01ce9d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16627a6c8ecdc63f57bd822efeecb734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee80c5a801e9ab6f4a077905769f1766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad814089e37543b2f547af9ae75b6dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b332e5aaddab0b5f4cfb89248a905b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-02-28更新
|
516次组卷
|
4卷引用:河南省驻马店市2023-2024学年高一上学期1月期终考试数学试题
河南省驻马店市2023-2024学年高一上学期1月期终考试数学试题湖南省长沙市麓山国际实验学校2023-2024学年高一下学期第一次学情检测数学试题(已下线)第10题 动静转换求范围,构造函数是关键(优质好题一题多解)江西省宜春市宜丰中学2023-2024学年高一下学期3月月考数学试题
解题方法
7 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1264ff32a7d08c98adabe7323b57882f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bcb2752cb3a3ac840fec5a1259eb4d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb61eaa47f7e587d07a22ef379118df7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
8 . 已知
,
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae2bb2d551f5f3fe05882cf252ad03ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596fd361db42ec856ab8180c35140582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知
是奇函数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02ac352b6a0a494050f8c4ad820187a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8f282990d53ae464d1501a9d13dcc96.png)
A.-1 | B.1 | C.-2 | D.2 |
您最近一年使用:0次
解题方法
10 . 已知
,
,
,则
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c4d0464efe4f7ca31ea11a943cb7aac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf02dfbb4a2b186e812df3274f9e40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e17705151cefbede8aaf6ad7918a84c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a14c388e1e2e5a2ff1ccf6caffbee0d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-26更新
|
137次组卷
|
2卷引用:中原名校2022年高三上学期第一次精英联赛文科数学试题