2023高三·全国·专题练习
解题方法
1 . 设
是定义在R上的偶函数,其图象关于直线
对称,对任意
,
,都有
,且
.
(1)求f
;
(2)证明
是周期函数;
(3)记![](https://staticzujuan.xkw.com/quesimg/Upload/formula/610e5598d7ded93073255ec6ffffa677.png)
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed23c4c7f814c8c820b2db90865707d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2c19936da7bc1214ddb080ca79e999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c487f427a970a1c07d5b74eac5e4286.png)
(1)求f
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a54070112efc290663c97d1368dd8fc.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/610e5598d7ded93073255ec6ffffa677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c96813fcb62cf6aeff6b1524c9c56f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
您最近一年使用:0次
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解题方法
2 . 已知函数
,若存在非零常数k,对于任意实数x,都有
成立,则称函数
是“
类函数”.
(1)若函数
是“
类函数”,求实数
的值;
(2)若函数
是“
类函数”,且当
时,
,求函数
在
时的最大值和最小值;
(3)已知函数
是“
类函数”,是否存在一次函数
(常数
,
),使得
,其中
,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1882164d7f62de7f9cf8b5e55c272d7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e86a882ef57f44f0ad22836079afe1.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8655cb378f71e1f0a612b313d578a4a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d19a14a9712f66204093b9dda61927b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d0b969f58a09dff5c32b43219e2080.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e86a882ef57f44f0ad22836079afe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31b72f7c1c7ce09a6f9e4a40d7dfbfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a05d95b16c4c49c6b28b8429e8170e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10c11ada6e9ec838a163d17d0412c04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea5a79df6ff3fd57c7870b79196e9f91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2629d7ba67bc8caed81c64c3c1341275.png)
您最近一年使用:0次
2023-08-06更新
|
784次组卷
|
5卷引用:辽宁省抚顺市第一中学2023-2024学年高一下学期4月月考数学试题
辽宁省抚顺市第一中学2023-2024学年高一下学期4月月考数学试题北京市北京理工大学附属中学2022-2023学年高一上学期期中考试数学试题辽宁省大连长兴岛高级中学2023-2024学年高三上学期第一次月考数学试题(已下线)必修第一册综合检测(能力)-【优化数学】单元测试能力卷(人教A版2019)北京市第一六五中学2023-2024学年高一上学期期中教学目标检测数学试题
解题方法
3 . 已知函数
是定义在
上的奇函数,且
.
(1)求
的函数值;
(2)证明:
为周期函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d73d9aa53e2d496bb14e106d82289940.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d55ef0d1b7ea88d92fd6e1ecebb5f5.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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解题方法
4 . 设
是定义在
上的奇函数,且对任意实数
,恒有
.当
时,
.
(1)求函数的最小正周期;
(2)计算
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d78dec1c1e00ec02d7bdaf76ef8901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3262781afb71e9dffc0b7fa1fe280cb2.png)
(1)求函数的最小正周期;
(2)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0089189f03907592afff47c7173cf4.png)
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5 . 已知定义在
上的函数
满足以下三个条件:
①对任意实数
,都有
;
②
;
③
在区间
上为增函数.
(1)判断函数
的奇偶性,并加以证明;
(2)求证:
;
(3)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
①对任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf84c184be32752d1c14e6f23fecda8.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6855784817151468771f29c0fc38fc9.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4cff510b81f7160ec53b7ef179f114.png)
(3)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be1d8c6384d7fabddb693b2b7fcdf4a.png)
您最近一年使用:0次
2019-12-01更新
|
925次组卷
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3卷引用:江西省宜春市丰城中学2023-2024学年高一下学期开学考试数学试题
6 . 对于定义域为
的函数
,若存在正常数
,使得
是以
为周期的函数,则称
为余弦周期函数,且称
为其余弦周期.已知
是以
为余弦周期的余弦周期函数,其值域为
.设
单调递增,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/166703f700475d6bcd4b8ee7c71f2c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c75bc103f70339700c63af06ef81342e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/166703f700475d6bcd4b8ee7c71f2c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/166703f700475d6bcd4b8ee7c71f2c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/166703f700475d6bcd4b8ee7c71f2c7f.png)
![](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/01bea8bf593f594c51fc7cc547482bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25e265f69a407ec1203a19d17bea6c91.png)
(1)验证是以
为周期的余弦周期函数;
(2)设.证明对任意
,存在
,使得
;
(3)证明:“为方程
在
上得解”的充要条件是“
为方程
在
上有解”,并证明对任意
都有
.
您最近一年使用:0次
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7卷引用:江苏省镇江中学2023-2024学年高一下学期3月学情检测数学试题
江苏省镇江中学2023-2024学年高一下学期3月学情检测数学试题2015年全国普通高等学校招生统一考试理科数学(上海卷)(已下线)上海市华东师范大学第二附属中学2020-2021学年高一下学期5月月考数学试题北京师范大学第二附属中学未来科技城学校2020—2021学年高一下学期期中数学试题高中数学解题兵法 第一百零三讲 倒溯探源(已下线)重组卷04(已下线)专题04 函数解答题(3类题型 理科)