解题方法
1 . 已知函数
在
上单调递减,则
不可能等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176b96fb8021644b489c4e5686f688e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.1 | C.![]() | D.2 |
您最近一年使用:0次
2024-01-28更新
|
675次组卷
|
2卷引用:河北省石家庄市第一中学东校区2022-2023学年高一上学期期末教学质量检测数学试卷
2 . 已知函数
.
(1)求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1793714c11f9f8c3753dff40f1d70f4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/064f92266f1588277b65d822dd5385d9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7a129587e063a30e6d6449637f2b19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
3 . 已知函数
若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9865736aeea63a4c6a74a16fbd3b544f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fff5700ddc29a0c0b95b38e4705b1816.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
2024-01-26更新
|
266次组卷
|
2卷引用:山西省晋中市2023-2024学年高一上学期期末调研数学试题
23-24高一上·广东·期末
解题方法
4 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc710469b661c89dd414714a6f5b747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2796868fcd26d2a8558666fe46494541.png)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
2024-01-25更新
|
235次组卷
|
3卷引用:广东省汕头市潮阳区2023-2024学年高一上学期期末考试数学试题
广东省汕头市潮阳区2023-2024学年高一上学期期末考试数学试题(已下线)广东省汕头市潮阳区2023-2024学年高一上学期1期末教学质量监测数学试题江西省上饶市私立新知学校2023-2024学年高一上学期期末数学试题
5 . 德国数学家狄利克雷在数学领域成就显著,以其命名函数
,该函数被称为狄利克雷函数,关于狄利克雷函数有如下四个命题:
①
;②对任意
,恒有
成立;
③任取一个不为零的有理数
,
对任意实数
均成立;
④存在三个点
、
、
,使得
为等边三角形;
其中真命题的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45f43182131a34b3e094678aac2e419.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a336131c014bbc0e8335a0563cb9a3d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9322dd8f56b5f8d2c667fdf0d4a9f9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433f6b9b7fac3b81c8ed21130acd2b27.png)
③任取一个不为零的有理数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d4733dc784c0deec396b4d7ec32316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
④存在三个点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/741779d13c0e882dfdd90561450883ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d82170a0e0e186bfe372be1ffc74af69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3b7ee8239d9dacff0227ed38e8d61e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
其中真命题的序号为( )
A.①②③④ | B.②④ | C.②③④ | D.①②③ |
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2024-01-23更新
|
245次组卷
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2卷引用:上海市长宁区复旦中学2023-2024学年高一上学期12月月考数学试题
名校
6 . 已知函数
,用
表示
中的较小者,记为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/1426aea1-e625-47c3-834a-d0b48c417077.png?resizew=166)
(1)在给定的坐标系中,画出函数
的图象;
(2)结合图象写出函数
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6002c3b37de6c86fce0194a74be527c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a01f3f7af9a5d29441194a8db5fb5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067fd5770e2e2d208af78f1d9930abf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b329728a2ed137520e75fd0455c2f30c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/1426aea1-e625-47c3-834a-d0b48c417077.png?resizew=166)
(1)在给定的坐标系中,画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a01f3f7af9a5d29441194a8db5fb5a.png)
(2)结合图象写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a01f3f7af9a5d29441194a8db5fb5a.png)
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名校
解题方法
7 . 如图,公园里有一处扇形花坛,小明同学从
点出发,沿花坛外侧的小路顺时针方向匀速走了一圈
,则小明到
点的直线距离
与他从
点出发后运动的时间
之间的函数图象大致是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/c71f0103-a4ae-4ffb-beb2-a7c3c8dbbcca.png?resizew=148)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54941b61f7de1334153a16e9930560a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/c71f0103-a4ae-4ffb-beb2-a7c3c8dbbcca.png?resizew=148)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
8 .
,用
表示
,
的较小者,记为
,若
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531bcdb6324cb5a759301daddf9768c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9772ebd6f5dc607d082d1b7b36a3f0de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df18da1ecd1a83afc4544ee71f00c56b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176c4a9de5a11fa2574fb00cd316a8db.png)
A.![]() |
B.函数![]() |
C.不等式![]() ![]() |
D.若a,b,c是方程![]() ![]() |
您最近一年使用:0次
名校
9 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/21/560bee3b-3ab8-4016-b56d-b7867478170d.png?resizew=174)
(1)画出
的图像;
(2)请根据
的图像直接写出
的解集(无需说明理由).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e7c11431296392b9d404233cc21358.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/21/560bee3b-3ab8-4016-b56d-b7867478170d.png?resizew=174)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)请根据
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0450c72be714c5cc1931598f2b604712.png)
您最近一年使用:0次
名校
解题方法
10 . 已知函数
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c982b694ca4d1a65687ba43fd5a0d252.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8edc54080a0ffd9b6a6403c4d612ec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c982b694ca4d1a65687ba43fd5a0d252.png)
您最近一年使用:0次