名校
1 . 函数
,若关于
的方程
恰好有8个不同的实数根,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092ea166f4d9dd413423bdbf18c5f0c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd910e8af089632e20f4fa350a864157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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4卷引用:四川省自贡市蜀光中学2023-2024学年高一上学期12月月考数学试题
2 . 若函数
满足
且
(
),则称函数
为“
函数”.
(1)试判断
是否为“
函数”,并说明理由;
(2)函数
为“
函数”,且当
时,
,求
的解析式,并写出在
上的单调增区间;
(3)在(2)条件下,当
,关于
的方程
(
为常数)有解,记该方程所有解的和为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f865658d52dc9a5cff15e6f68d619b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac57a4fb21a142b8037a125c3dc191f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b21ccafa1ea9f2bf63343c1e09069c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6404751e42986a04f33c28167ea2dd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be95cb9223378f3d4e3a90edad4f6b9.png)
(3)在(2)条件下,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e8aee4194937e6f7ea194b629f5cd05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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名校
3 . 若
,
, 且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/731bdc8d2686a05f12a2ba8a7e3b01be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b310bd01c4deb2e6370880c2c4ed13e.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
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解题方法
4 . 已知函数
,以下结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b142e52baf0024a255739ed0b4855bf.png)
A.它是偶函数 |
B.它是周期为![]() |
C.它的值域为![]() |
D.它在![]() |
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3卷引用:四川省绵阳市绵阳东辰高级中学2022-2023学年高一下学期期中数学试题
名校
解题方法
5 . 如图,斜三棱柱
中,
,
为
的中点,
为
的中点,平面
⊥平面
.
平面
;
(2)设直线
与直线
的交点为点
,若三角形
是等边三角形且边长为2,侧棱
,且异面直线
与
互相垂直,求异面直线
与
所成角;
(3)若
,在三棱柱
内放置两个半径相等的球,使这两个球相切,且每个球都与三棱柱的三个侧面及一个底面相切.求三棱柱
的高.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1638cde11c9862af200115048a0177da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53cdc56590b42b154608b4cf19462fa0.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e190568dc620895856a72fca1a08ec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770da0f9a22d31e40431208bb33ab8ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
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2022-11-29更新
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8卷引用:四川省成都市2022-2023学年高一下学期期末数学试题
名校
6 . 如图,直四棱柱
中,底面
为平行四边形,
,点
是半圆弧
上的动点(不包括端点),点
是半圆弧
上的动点(不包括端点),若三棱锥
的外接球表面积为
,则
的取值范围是__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5af5f125ec96e50324d7c1afcabd2bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd72213cd6f0bc5768342be2dbed8b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed41d321f4c0717ac5b443aad942d9a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32521af95c640c6831948a2ca2d4f329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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11卷引用:四川省成都市2022-2023学年高一下学期期末数学试题
四川省成都市2022-2023学年高一下学期期末数学试题四川省成都市部分省重点高中2022-2023学年高一下学期期末数学试题上海市复旦大学附属中学2021-2022学年高一下学期期末数学试题(已下线)微专题10 玩转外接球、内切球、棱切球经典问题(2)-【微专题】2022-2023学年高一数学常考点微专题提分精练(人教A版2019必修第二册)湖北省新高考联考协作体2022-2023学年高二上学期期末模拟数学试题湖北省襄阳市第一中学2022-2023学年高二上学期期末数学试题(已下线)专题7-1 立体几何压轴小题:截面与球(讲+练)-2黑龙江省哈尔滨市哈尔滨德强高级中学2022-2023学年高三上学期12月月考数学试题黑龙江省哈尔滨市第九中学校2024届高三上学期12月月考数学试题(已下线)第11章 简单几何体(压轴必刷30题专项训练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(沪教版2020必修第三册)(已下线)【讲】专题7 解三角形与其它知识的交汇问题
7 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2de918de64febdd3d864a4bc73da72a.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.存在两个不同的实数![]() ![]() |
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名校
8 . 已知函数
.
(1)当
时,对任意的
,令
,求
关于
的函数解析式,并写出
的取值范围;
(2)若关于x的方程
有3个不同的根,求n的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7377b0ccd2e4c7a69919758edfc40ef.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87b351f16728b0023fd63678f8103c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8beee95c6754ae92beb5b5765599744.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec18b3959c5e7d6cf9c79064e285ff15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd689fbacfbe6c1bd0953521bbf3638b.png)
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9卷引用:四川省成都市第七中学2022-2023学年高一上学期期中数学试题
四川省成都市第七中学2022-2023学年高一上学期期中数学试题广东省深圳市宝安区2022-2023学年高一上学期期末数学试题第4章 指数概念与对数函数(基础、典型、易错、新文化、压轴)专项训练-2022-2023学年高一数学考试满分全攻略(人教A版2019必修第一册)(已下线)第13讲函数的应用(二)(5大考点)(1)(已下线)专题4.9 指数函数与对数函数全章综合测试卷(提高篇)-举一反三系列(已下线)期末真题必刷压轴60题(22个考点专练)-【满分全攻略】(人教A版2019必修第一册)浙江省湖州市长兴县雉城中学2023-2024学年高一上学期期末数学复习卷一湖南省永州市祁阳市第一中学2023-2024学年高一上学期第一次段考数学试题(已下线)第二篇 函数与导数专题5 切比雪夫、帕德逼近 微点4 切比雪夫逼近与帕德逼近综合训练
名校
解题方法
9 . 已知函数
.
(1)当
,
时,若“
,
”为真命题,求实数a的取值范围;
(2)若
,
,解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/239ea0e903fbb4c8ce04133b9969578c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8645952ea14b25443f411d39bdec641e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50532602bcd530a2e8ec373949a80f2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e768f6d07a30c490a1011a8256548bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57458464618fcf619375a93d3c66d69.png)
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|
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名校
10 . 在
中,
,D为BC上一点,E为AD上一点,F为EC上一点,且
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02cd4fd97a975f810756a0b1324dcc93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8cabcef1cee1213140371c499339864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f46f19939f38833f9152942f8241b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfb2a9124572cbb2748323c726c456a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d18e0f2bd21f30068b79b29a1a19f0a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
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