名校
解题方法
1 . 已知函数
,将
的图象向右平移
个单位长度,得到函数
的图象,则函数
的值域为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d7f6e1cbe0d9005b2fad3345a8b017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bd9bb0a0ce6bb97c05dbf5b2aa64f98.png)
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2 . 已知函数
且
.若存在
,使得不等式
对于任意的
恒成立,求实数
的最小值为_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c5dad340991112758226fd3b5dc1f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308c33e7a29c84cbad2252e44f6acb80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd73b03919e2cd703417b4c3c1fe281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ea47220258260d54537f7b5b4be915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
3 . 已知向量
,向量
,则
的最大值是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77d8f371743485ff682032a631f25740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6bc68a2bcdbfd2a1bac383b640e95d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3db87f99222f1705e122a6bd329c9f1.png)
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4 . 在
中,
,
,若对任意的实数t,
恒成立,则
面积的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/642a9146f450d60a31feaa6f3f33fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb821c7b85bf66316f3ae28d0c9f9afe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cba88bf30f2652e157e99da54422b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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解题方法
5 . 在
中,内角
的对边分别为
,若
且
为
的外心,
为
的重心,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2e170a2c342eb55d522aa10b8f302a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/529a9b0d2b9baa16e3f1aab8b946f270.png)
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6 . 如图,点C是以AB为直径的圆O上的一个动点,点Q是以AB为直径的圆O的下半个圆(包括A,B两点)上的一个动点,
,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a547a90936ff4635dd6d5f303e12986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32979e540e6770ffc0f6417395ec5c74.png)
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7 . 已知函数
,则该函数的最小正周期为_____ ,若方程
有实数解,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce98a923533a82fd1e0fde15f6c2a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7170ca8da201212efb31b8b6502399c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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8 . 已知某
的直角三角板斜边长
,动点P到直角顶点距离始终为
,记P到三角板斜边两个端点距离分别为
,则
范围为____________ (单位平方厘米).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb26c5cdef6f16f4b39cd091041b439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc31bf4b6ed8cf336432a5a2791e67e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc5d70176873d0db587aef076102723c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c39ccc43fac44ef2f172209434ea7ec.png)
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解题方法
9 . 已知函数
的最小值为3,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f1fd586db061de772e2f3ac32f141b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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10 . 已知函数
(其中
).给出下列四个结论:
①若
,则
是函数的一个
零点;
②若
,函数
的最小值是
;
③若
,函数
图象关于直线
对称;
④若
,函数
图象可由
图象向右平移
个单位长度得到.其中所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8343134313774c1fe486eb898b31e77e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfeb827df38b05cddb380f1c20e646bb.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcee772e6187ac31d7f8d69b0487000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7f61a2b4d7020a4d918da86c9d37cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcee772e6187ac31d7f8d69b0487000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb88b6e17cd00140b747b585a6644d39.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05a467ddaa138590b3b56615c2c42a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea0f643d5b14c0bdb6e56ceaac1e56d2.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05a467ddaa138590b3b56615c2c42a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0915075cb1303fcbd677567d1c0b47bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2380418bca9ec15393a8dfcaa51b0d93.png)
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2024-02-20更新
|
536次组卷
|
4卷引用:北京市育才学校2022-2023学年高一下学期期中考试数学试卷