名校
1 . 在研究函数过程中,经常会週到一类形如
为实常数且
的函数,我们称为一次型分式函数.请根据条件完成下列问题.
(1)设
是实数,函数
,请根据
的不同取值,讨论函数
的奇偶性,并说明理由;
(2)设
是实数,函数
.若
成立的一个充分非必要条件是
,求
的取值范围;
(3)设
是实数,函数
,若存在区间
,使得
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9796db5f297d4023eac8d1aa4739c99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b744e7cd7496125a9bcd6b756d09ebff.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa1944af8ede16275cdcbe721a81870d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8aade587301e484fe76bdf87e6d5b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0527a896aec4a245945e5edee00deed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47f8d234c1df11e957b9bd7d3f2da47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe2a076aa933bf55763c67b8734b1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af24aeacd2576456cc192826ecd5b107.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcc3c97c6d73f7ef44b90ec6f3065ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2 . 设
是实数,若对任意负数
,代数式
恒为定值,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa696d9c813ba1606c4f6c047dfc6a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
3 . 设
,
,定义域为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/072e573da15543483b59d09457a12d6c.png)
或
,实数集M中的任意实数a,总存在
,使得方程
无实数解,则集合M可以是( )
①
;②
;③
;④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e0043dcbf1b9c0dc908da80966cc274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535aa67c43b1ad2b642102baeefabd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/072e573da15543483b59d09457a12d6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ac1b4bf7e1783c0c5408f469643e92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8882ed9dd26d43f851cc1b1d77dcd12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c342d52fc26cc550a45b80756903bee6.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee3c2fd7d9c4175ee174e3279f069d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca3f0e2516109ec2eab6d64f9dfc2a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c785b262094648f6be054729461a4f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e0043dcbf1b9c0dc908da80966cc274.png)
A.①④ | B.②③ | C.①② | D.以上皆不是 |
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4 . 已知
,
且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71acdb04454c77e1e25ad4f336cccfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a2ec24ceefbe0ae9742a60a22f0d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
您最近一年使用:0次
2023-07-22更新
|
390次组卷
|
5卷引用:上海市光明中学2022-2023学年高一上学期期中数学试题
上海市光明中学2022-2023学年高一上学期期中数学试题(已下线)期中真题必刷基础60题(24个考点专练)-【满分全攻略】(沪教版2020必修第一册)(已下线)第三章 幂、指数与对数-【满分全攻略】(沪教版2020必修第一册)上海市嘉定区中光高级中学2023-2024学年高一上学期期中数学试题青海省西宁市海湖中学2023-2024学年高三上学期第一阶段学情考试理科数学试题
解题方法
5 . 已知
,若存在实数
,使得方程
有无穷多个非负实数解,则
的表达式可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facd6be947e37552dfa0565d1f21e380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2818807dce7e9ec5514de572c3cc644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 如图,已知
为平行四边形.
,
,
,求
及
的值;
(2)记平行四边形
的面积为
,设
,
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a8ffec55dc1c43b460a8fef3a468d6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7872abd162e356132bb371fc581d818c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b0246acc9bed97eef80edc52bcb37d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8bad16b7cdf8c638cd324f5be5d834f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a10f2c4a2a9c9cb4047f9f27cff1d7a.png)
(2)记平行四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1018d072c74bd0f5f013002751e16668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f021b99eb4724a997686d8ab1585382b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187d580a038d49b541c40a7e56b60c17.png)
您最近一年使用:0次
2023-07-08更新
|
545次组卷
|
4卷引用:上海市黄浦区2022-2023学年高一下学期期末数学试题
上海市黄浦区2022-2023学年高一下学期期末数学试题江苏省无锡市辅仁高级中学2023-2024学年高一下学期3月月考数学试卷(已下线)专题02 平面向量-《期末真题分类汇编》(上海专用)(已下线)专题05向量数量积期末10种常考题型归类-《期末真题分类汇编》(人教B版2019必修第三册)
解题方法
7 . 某小区围墙一角要建造一个水池和两条小路.如图,四边形
中,
,
,以
为圆心、
为半径的四分之一圆及
与
圈成的区域为水池,线段
和
为两条小路,且
所在直线与圆弧相切.已知
米,设
(
),那么当
为多少时,才能使两条小路长之和
最小?最小长度是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9536a2be7b84612f45cc875a00c5a5d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe2f6543e06a25493855fbbc648be6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f26ad70d2b3aac8604834d57dfc59bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8cc5e8fc797a3a45c253b783631d4e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee86fc3cc1700452e83ca45bccb9c55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a80f9688e03874804defebed1db50c1b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/10/7075cd7a-74be-4925-abab-0316441128b0.png?resizew=142)
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解题方法
8 . 已知单位向量
,
为平面内一组基向量,其中
,
的夹角为
.对于平面内任意一个向量
,总存在唯一的有序实数对
,使得
,定义
为向量
的“斜坐标”表示.
(1)若非零向量
,
,且
,求证:
;
(2)若向量
,
,
,求
,
的夹角;
(3)若向量
,
,
,求
,
的夹角的最大值,并说明取得最大值时
的取值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8df6d6a87e4c3f2ecf22dd0679ad756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96bb0235b7cb42a72cf692cde31bc69d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
(1)若非零向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5ff001ef123d38787c6c8492953735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17097fa0e7ce88aa5f2ea1c9147d7ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f7d08d10754ff3903d139768f40530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab138a74db444886abc7fe18947f7a3e.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95fc8bbe800424518bb234a7eb9a4f7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3f49f6b3f644ad6bbf3abecfe0731c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
(3)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e149d80550494679dfb9be1f42a9cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/949d71462f3dec97d3159e1f8bca8f4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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解题方法
9 . 已知向量
均为单位向量,且满足
(
,n为正整数),若任取正整数i,j,
,
,请你写出
,
的夹角
所有可能的取值组成的集合为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f95436750a346139b7ea9056fa1efa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491ee59f10a83e44fa31cc47138f7530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0d89fb6789ed4f0982ea8ca84f67a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30497a0255650e2d5d9fa517a352e78a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bac355539c4c78252b0f50dac373bf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857d3fc32304eaeba1d683192073e253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af605724addb5a4122caf1b3216b61de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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解题方法
10 . 设
是某地区平均气温
(摄氏度)关于时间
(月份)的函数.下图显示的是该地区1月份至12月份的平均气温数据,函数
近似满足
.下列函数中,最能近似表示图中曲线的函数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/23/66ad6cfe-af6e-4ba4-831e-f3b10b314f09.png?resizew=177)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4dafff83fd807d0010d1805d9f4552e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4dafff83fd807d0010d1805d9f4552e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ecab9d8e575a74bf3e006725087b51b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/23/66ad6cfe-af6e-4ba4-831e-f3b10b314f09.png?resizew=177)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-04-20更新
|
535次组卷
|
4卷引用:上海市大同中学2022-2023学年高一下学期期中数学试题
上海市大同中学2022-2023学年高一下学期期中数学试题河南省南阳市桐柏县2022-2023学年高一下学期期中数学试题(已下线)7.3 函数y= Asin(ωx + φ)的图像-高一数学同步精品课堂(沪教版2020必修第二册)上海市晋元高级中学2023-2024学年高一下学期3月阶段练习数学试卷