解题方法
1 . 摩天轮是一种大型转轮状的机械建筑设施,游客坐在摩天轮的座舱里慢慢地往上转,可以从高处俯瞰四周景色.如图,某摩天轮最高点距离地面高度为
,转盘直径为
,设置有48个座舱,开启后按逆时针方向匀速旋转,游客在座舱转到距离地面最近的位置进舱,转一周大约需要
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/b9e74533-cc76-4962-a0c8-e7a1b7e7f98d.png?resizew=156)
(1)游客甲坐上摩天轮的座舱,开始转动
后距离地面的高度为
,求在转动一周的过程中,
关于
的函数解析式;
(2)求游客甲在开始转动
后距离地面的高度;
(3)若甲、乙两人分别坐在两个相邻的座舱里,在运行一周的过程中,求两人距离地面的高度差
(单位:
)关于
的函数解析式,并求高度差的最大值(精确到0.1).
(参考公式与数据:
;
;
.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6363a9c7ab19b53bc1ddae6521a30a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba52ced0811df98fedb575535b24257b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a628160b971aca3528d447882fa45fe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/b9e74533-cc76-4962-a0c8-e7a1b7e7f98d.png?resizew=156)
(1)游客甲坐上摩天轮的座舱,开始转动
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cec183057249005d5f234c4bea5de7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d847196d7a43900fb1ea0d95cd6fd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)求游客甲在开始转动
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276544dddf27f079144b8db1e570b9ed.png)
(3)若甲、乙两人分别坐在两个相邻的座舱里,在运行一周的过程中,求两人距离地面的高度差
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(参考公式与数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258529c3397cff79706c3b62bdf3809e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5784c7060dacfbf93a57a81c97798a45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c57f1b3142e091f1ef8e596ad675d42.png)
您最近一年使用:0次
2024-02-05更新
|
434次组卷
|
2卷引用:北京市大兴区2023-2024学年高一上学期期末检测数学试题
解题方法
2 . 已知函数
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ ;若
,且
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe819909452c1edb8e1f0e3f1adc562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28638f8c054a7bb4d9b46fde330bc76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aba934874cc9f2ab272fdff67ea23bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
您最近一年使用:0次
解题方法
3 . 已知抛物线
,过
的焦点
且垂直于
轴的直线交
于不同的两点
,且
.
(1)求抛物线
的方程;
(2)若过点
的直线
与
相交于不同的两点
为线段
的中点,
是坐标原点,且
与
的面积之比为
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4963d116d232acb4f69e86455cdf81.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ed90ebf0061c8a79beed307fc1719a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229607a6ad0b43746d19083d7563a270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f02028a3847c4807c2d3cf0ea7efb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7deb0e1ce39cf1d5a9ac1e0adb07e6fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
4 . 已知函数
的零点为
,
的零点为
,若
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fe200dd9ff2505e93dda6651e41cf4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1d3a63706a77f2466269773dde8131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38539ff870207a4e0c7dd315735e5793.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 设
,给出下列四个结论:①
;②
;③
;④
.其中所有正确结论的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2c22389aeb625f51ed74362b37b2c19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e162b8a0e549dba1d10b612e68ec00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00cb3cb70133ce23480bcc0b47367ae2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf2aa45df075eb20ece7619b074e8193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18916ada987d91af8412ffa3eb69f721.png)
A.①② | B.③④ | C.①②③ | D.①③④ |
您最近一年使用:0次
6 . 已知函数
对任意的
,都有
成立.给出下列结论:
①
;②
;③
;④
.
其中所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab4b75fa22deba7fcbcdcb31dd45b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1638740ba651b56d0c833fe93d9995e4.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51eb2613dda00677d447c986cac505bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06b53134510d90d1c1b3d413e910ca11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5a099039a6d72307e90f3701bd5406.png)
其中所有正确结论的序号是
您最近一年使用:0次
7 . 已知函数
,
.
(1)求证:
为偶函数;
(2)设
,判断
的单调性,并用单调性定义加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cf688908975687a9bead59e017acacc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4741b2cc342a055aefb2d825e45ce77e.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aae37cac299cbe3ccac181b2175287f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
您最近一年使用:0次
解题方法
8 . 设关于
的函数
的最小值为
.
(1)求
;
(2)若
,求函数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/476b3d1bd7cd26446916554c591dcc09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f484115a9df1b6060d6b14df85c6f38.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f484115a9df1b6060d6b14df85c6f38.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7790a91bcbbc414071d2ad1649fc8e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次
9 . 已知函数
,
.
(1)求
的最小正周期和单调递增区间;
(2)求
在区间
上的最大值与最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0ba74badae4e0fe024c4aa16935a93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba7039324a6d810f4d5603d4edeb70e.png)
您最近一年使用:0次
名校
10 . 如图,在四面体
中,
平面
,点
为棱
的中点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/684dbcea-c0fd-4b1b-b9e6-b6df3d45eb70.png?resizew=150)
(1)证明:
;
(2)求平面
和平面
夹角的余弦值;
(3)在线段
上是否存在一点
,使得直线
与平面
所成角的正弦值为
?若存在,求
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b549fcb2b1bcdd843d9d7d9742ff1da.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/684dbcea-c0fd-4b1b-b9e6-b6df3d45eb70.png?resizew=150)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc1f76257275ab4b04f9bc913535670.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d9b10e4ec59b04c3322055be6a11cf7.png)
(3)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d9b10e4ec59b04c3322055be6a11cf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64f1145c162038df3c7184d9201c628e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/747978ec67fee6ee9eb07d02b80987d7.png)
您最近一年使用:0次
2024-01-18更新
|
287次组卷
|
2卷引用:北京市大兴区2023-2024学年高二上学期期末检测数学试题