1 . 已知函数
在一个周期内的图象如图所示.
的解析式和最小正周期;
(2)求函数
在区间
上的最值及对应的x的取值;
(3)当
时,写出函数
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f64c25c17f30a66ad461a35dcf2f713d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f085d3f0cd19354da8667c594d18dae.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f47dd5fc03cf0d593fcf67b5d18d1c2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
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名校
2 . 已知函数
,用
表示
的最小值,记为
,那么
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e98143dfebcb5ec295d0f22cf06c5dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531bcdb6324cb5a759301daddf9768c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0ed188d083966baaae94e6b86064f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76cb2dd023553e6609c47202fe30c479.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531bcdb6324cb5a759301daddf9768c0.png)
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2024-03-06更新
|
123次组卷
|
2卷引用:北京市平谷区2023-2024学年高一上学期期末教学质量检测数学试题
解题方法
3 . 已知函数
如图所示.
(1)求
的解析式;
(2)求
的最大值:
(3)将
的图象向右平移2个单位长度后得到函数
的图象,直接写出不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1bd0587f5d6a3b5db9e4a93e0dbc0ef.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/043acf15-5fbf-4dcc-a1e3-c246f146baed.png?resizew=123)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)将
![](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/843bdbecf4954d8015ed7d60bac0093e.png)
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解题方法
4 . 设集合
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec994f3ee52116b05d6dacdd3a8c065.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521c8f3f084af427ec1c464f8b6bed86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 已知函数
为坐标原点,若对于
图象上的任意一点
,将线段
绕着
点逆时针方向旋转
后,点
落在
的图象上,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9cd2717e72db0f434f5b9c6589c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.![]() | C.![]() | D.2 |
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6 . 已知集合
,若
中元素的个数为
,且存在
,使得
,则称
是
的
子集.
(1)若
,写出
的所有
子集;
(2)若
为
的
子集,且对任意的
,存在
,使得
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/946ca6ef235e10f31fe03cc2737dfcc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1071ac8657ef1c4e1ea7e0530196298d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/496549fb22714bf0d5719538c7a52cd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477caa6a1198bc26f4199e75aadf445f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f12af2f56950da618a53de06aaf0eee4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45cf86650443d1b86c79b1e3edc7e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c414a10d73f453fc1109e5b2243d2369.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f12af2f56950da618a53de06aaf0eee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09219fd705c1aa88b3453e1d4d7ccc67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1484a3c8a21bcd584d5ac2cd1e8bb7b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbae3b57b2ba8226b77919686f5886c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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7 . 已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/32610b41-4a32-4327-8d7a-9087cf8c3f0c.png?resizew=161)
(1)直接写出
的值;
(2)再从条件①、条件②中选择一个作为已知,求函数
的解析式;
(3)在(2)的条件下,若函数
在区间
上恰有1个零点,求实数
的取值范围.
条件①:当
时,函数
取得最小值;
条件②:
为函数
的一个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8958a4b164d0c948463dbe9493f3b2c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/32610b41-4a32-4327-8d7a-9087cf8c3f0c.png?resizew=161)
(1)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)再从条件①、条件②中选择一个作为已知,求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)在(2)的条件下,若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e3f7f762131c77a3c8440b4a3bc1d12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
条件①:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5deda71e149a44da197279bfb2a876bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9895bf4192f5c55c16f8270d53c49b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
您最近一年使用:0次
8 . 在早高峰,某路口通过的车辆
与时间
的关系近似地符合
,在早高峰这段时间内.给出下列四个结论:
①通过该路口的车辆数
随着时间
逐渐增多;
②早上6时和早上7时通过该路口的车辆数
相等;
③在任意时刻,通过路口的车辆
不会超过35辆;
④在任意时刻,通过路口的车辆
不会低于14辆.
依据上述关系式,其中所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf323edf67acb35133a93bc6f8e96433.png)
①通过该路口的车辆数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
②早上6时和早上7时通过该路口的车辆数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
③在任意时刻,通过路口的车辆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
④在任意时刻,通过路口的车辆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
依据上述关系式,其中所有正确结论的序号是
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9 . 设
,函数
,当
时,
的值域是______ ;若
恰有一个零点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33f306d2b261f4c39a9fc0858d96e647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93955c5a47d255c0990f336a5fc2779b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/239ea0e903fbb4c8ce04133b9969578c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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解题方法
10 . 已知函数
,那么当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ 时,函数
取得最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5028ba29977e61127aac486ce99287e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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