名校
1 . 已知
为实数,用
表示不超过
的最大整数,例如
,
,
.对于函数
,若存在
且
,使得
,则称函数
是“和谐”函数.
(1)判断函数
,
是否是“和谐”函数;(只需写出结论)
(2)设函数
是定义在
上的周期函数,其最小周期为
,若
不是“和谐”函数,求
的最小值.
(3)若函数
是“和谐”函数,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe1e778c9e668594c42b77459328c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf813e9500eebd474511b865b876ea4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ae4ee70c548e841fd7ceeac3250b5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f929c50f8ccc07ba58a4c34bb05d2bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b19ec960e7b486de3916696346501a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b551072bee20e351f14d362a3f0e5367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47431a4b13e3ea3cba79a85fd77eabc2.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1982786864f37e6f954e8d70f9970620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-02-14更新
|
869次组卷
|
3卷引用:2016届北京市海淀区高三上学期期中考试理科数学试卷
名校
2 . 如图
所示,一条直角走廊宽为
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab9cd3690e7aa3debb1ed054a9f622da.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/34e16127-7a00-4716-97b9-e6d41f48fc26.png?resizew=363)
(1)若位于水平地面上的一根铁棒在此直角走廊内,且
,试求铁棒的长
;
(2)若一根铁棒能水平地通过此直角走廊,求此铁棒的最大长度;
(3)现有一辆转动灵活的平板车,其平板面是矩形,它的宽
为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f777f53b52666564dd8dbae33d43dad4.png)
如图2.平板车若想顺利通过直角走廊,其长度
不能超过多少米?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/856fbd1f79e1b82c631dad927ba3487d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab9cd3690e7aa3debb1ed054a9f622da.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/34e16127-7a00-4716-97b9-e6d41f48fc26.png?resizew=363)
(1)若位于水平地面上的一根铁棒在此直角走廊内,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e43dded006909d34838efe4f189c4c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若一根铁棒能水平地通过此直角走廊,求此铁棒的最大长度;
(3)现有一辆转动灵活的平板车,其平板面是矩形,它的宽
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f777f53b52666564dd8dbae33d43dad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e16d4a9ef8f9754c3edfb97b783c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2020-01-13更新
|
1609次组卷
|
3卷引用:北京市中国人民大学附属中学2019-2020学年高一年级第二学期阶段检测试数学试题
北京市中国人民大学附属中学2019-2020学年高一年级第二学期阶段检测试数学试题上海市七宝中学2016-2017学年高一下学期期中数学试题(已下线)5.7 三角函数的应用 -2021-2022学年高一数学同步辅导讲义与检测(人教A版2019必修第一册)