1 . 已知定义在
上的奇函数
,当
时,
.
(1)求函数
在
上的表达式;
(2)画出函数
的大致图象;
(3)直接写出函数
的值域和单调区间.
(4)若方程
a有两个实数根,直接写出a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6646ee1281b3b22e6a6ded9da1f9b3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(2)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)直接写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(4)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
您最近一年使用:0次
2 . 已知函数
,
.
(1)解方程
,并在图中画出函数
,
的图象;
(2)定义:对
,
表示
与
中的较大者,记为
,根据图象,写出函数
的解析式及其最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6201963fcdd54887f2af50518bd908a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200043a14893bc8004a41fcf78238797.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/28/7c15a197-3a1b-4569-a079-558d6099326d.png?resizew=210)
(1)解方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8bfb563f79688d136e0cb958b5153c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)定义:对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f832d9cca2d5c9d76d38374e2a258d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531bcdb6324cb5a759301daddf9768c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8b6cb2df3752f822d17d414c947ecfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531bcdb6324cb5a759301daddf9768c0.png)
您最近一年使用:0次
解题方法
3 . 已知奇函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21083b1d2c7e78ce06e0a64f7280227.png)
(1)求
的值;
(2)画出函数
的图象;
(3)若函数
在区间
上单调递增,试确定a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21083b1d2c7e78ce06e0a64f7280227.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1316ff413def68a0e38da8cf00fce8f.png)
(2)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/10/3e3b4e43-b619-4b67-9a95-daa4e1af9366.png?resizew=207)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/824495000354752ae9736a5714834771.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
是定义在R上的偶函数,且当
时,
,现已画出函数
在
轴左侧的图象(如图所示),请根据图象解答下列问题.
(1)作出
时,函数
的图象,并写出函数
的增区间;
(2)写出当
时,
的解析式;
(3)用定义法证明函数
在
上单调递减.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becd598a11b876d858728161a7a09705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/16/760a3e90-bc9f-440d-9fa7-ceb6b375b365.png?resizew=165)
(1)作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)用定义法证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e10140ab3cdc13d710a65b2287c892b.png)
您最近一年使用:0次
2023-09-30更新
|
1378次组卷
|
4卷引用:北京市东城区翔宇中学2022-2023学年高一上学期期中考试数学试题
北京市东城区翔宇中学2022-2023学年高一上学期期中考试数学试题江西省上饶市广丰中学2023-2024学年高一上学期10月月考数学试题河北省邢台市第一中学2023-2024学年高一上学期第二次月考数学试题(已下线)5.4 函数的奇偶性(2)-【帮课堂】(苏教版2019必修第一册)
解题方法
5 . 函数
,被称为狄利克雷函数,其中
为实数集,
为有理数集.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/26/567b0412-b11e-4e6b-9be3-2a7d4d5f2602.png?resizew=204)
(1)判断
的奇偶性,并证明;
(2)设
是定义域为
的奇函数,当
时,
,画出
的图像,并根据图象写出
的单调区间及零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f15945e5fa788b076edf86fbf3e42b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ecb1589c3cc179e2f62507020771e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/26/567b0412-b11e-4e6b-9be3-2a7d4d5f2602.png?resizew=204)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f5a719332bc8af83fbe70fa6cf632d.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f440b7118356ed74fc494ed27a91191c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
您最近一年使用:0次
名校
解题方法
6 . 已知函数
是定义在R上的奇函数,且当
时,
.
(1)画出函数
的图象;
(2)求函数
的解析式(写出求解过程).
(3)求
,
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787c2e85b77a019736904b284d6e8017.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/15/1c38c58a-42a9-4858-ae14-467898b7de1a.png?resizew=173)
(1)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d2a706da87c1775d9e89799e45b4df.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb433b1b78dbf82889ae82a689b8b46e.png)
您最近一年使用:0次
2023-09-29更新
|
887次组卷
|
6卷引用:福建省福州市永泰县第二中学2022-2023学年高一上学期期中考试数学试题
7 . 如图,在梯形
中,
,
,
,现有一动点
从
点出发沿
的方向移动到
点,若
点经过的路程为
,
,
,
经过的路径围成的封闭图形面积
为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/10/7434ef13-de8a-4efc-964d-a5a3fb8558d0.png?resizew=407)
(1)试写出
与
之间的函数解析式;
(2)在给定的坐标系中画出函数图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d8397018b0a01a1b4e9574604f9e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4a288554fe25fe0a72530eb29756e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5944746a4d6c1f9f187d2c4b0322f62d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fc9477c267b169bafbe5ccd24e7f6c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee3160fce05b551569b8c7b5de6dd8b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d740004cfdade4c185f722dadc27e15.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/10/7434ef13-de8a-4efc-964d-a5a3fb8558d0.png?resizew=407)
(1)试写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)在给定的坐标系中画出函数图象.
您最近一年使用:0次
8 . 某班“数学兴趣小组”对函数
(
为常数)的图象和性质进行了探究,探究的部分过程如下,请补充完整.
(1)自变量
的取值范围是全体实数,
与
的几组对应值列表如下:
其中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
(2)根据上表数据,在如图所示的平面直角坐标系中描点,画出了函数图象的一部分,请画出该函数图象的另一部分.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/1dd1e20d-e234-4fff-8bb6-893042e3683e.png?resizew=187)
观察函数图象发现:函数的值域为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82667c9e916374d1a3b1aee44ef588f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)自变量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
(2)根据上表数据,在如图所示的平面直角坐标系中描点,画出了函数图象的一部分,请画出该函数图象的另一部分.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/1dd1e20d-e234-4fff-8bb6-893042e3683e.png?resizew=187)
观察函数图象发现:函数的值域为
您最近一年使用:0次
2024-02-28更新
|
50次组卷
|
2卷引用:北京市第十九中学2022-2023学年高一上学期(10月月考)期中练习(一)数学试题
名校
9 . 已知函数
且点
在函数
的图像上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/b8a692b8-1a84-403a-af52-73b8fde7b459.png?resizew=281)
(1)求
,并在如图直角坐标系中画出函数
的图像;
(2)求不等式
的解集;
(3)若方程
有两个不相等的实数根,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4052c160f3a7a5f474bab6f6a809af0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80991c1f0c963104740e50cfff6f29a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/b8a692b8-1a84-403a-af52-73b8fde7b459.png?resizew=281)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b61adc4745f283e4072ddd762f92ffe.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e31bc0c34811edba74dae3fcaed8f577.png)
您最近一年使用:0次
2022-12-05更新
|
664次组卷
|
6卷引用:安徽省合肥市五校联考2021-2022学年高一上学期期末数学试题
22-23高一上·河北石家庄·阶段练习
名校
10 . 已知函数
是定义在
上的偶函数,且当
时,
,现已画出函数
在
轴左侧的图象,如图所示,请根据图象,完成以下问题.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/d355d817-ae65-47f3-9988-678e6280b79a.png?resizew=217)
(1)补充完整图象,写出函数
的解析式和其单调区间;
(2)若函数
,求函数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becd598a11b876d858728161a7a09705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/d355d817-ae65-47f3-9988-678e6280b79a.png?resizew=217)
(1)补充完整图象,写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee97d8c31054a7150199058bc7b45cb3.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a3e8f8d4cd047c61800c3babeeddc54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次