解题方法
1 . 已知实数
为函数
的零点,
为函数
的零点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f947d030c265753e4201ae4d9c69e99.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0576a0520249b48fd302a0d47317678f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34516f09a665374834b1b165e1a43b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f947d030c265753e4201ae4d9c69e99.png)
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2 . 已知函数
,若函数
有6个不同的零点,则实数a的取值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dab7d6b18152a2483f3774a382b5f54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a556091a66e97fafe67b72ab32abd9.png)
A.![]() | B.3 | C.![]() | D.![]() |
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3 . 已知函数
.
(1)当
时,求
,并判断函数
零点的个数;
(2)当
时,
有三个零点
,记
,
,2,3.证明:①
;②
.
参考公式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98dc59a1edc821f4cbd77ef908dff3c7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c6fb3c74056a4b4ebbda9d2be78de34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80e6f74fdd5c57d4454f8e840563771a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/722f025aeed67dbc2c16f60c3b06061d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b41b7154250380217e8dc70ff2a7591.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4142405dce1c99e4c58474c00b2bd6e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c45176df950dfe48b8ca7eac08ee349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65021f540ac58a37746758611f2fd76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c69673c72476d11a283eb5e4d1f7a72.png)
参考公式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26aa2c8a73ca9a054ed46e16eb5811e5.png)
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解题方法
4 . 已知函数
,
的零点分别是
与
.
(1)若
,解不等式
;
(2)已知
,
①证明:
;
②若
,
满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3023e7cb9c12cd7789dd5babcbc81bfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460fb23be742df604c9e3acbadb975d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c97b49ac1c01655ddceb48cc71585f62.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
①证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d755a0a76e2102eb6e29db34df0903dd.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/123371927e0a2f94563eb7321039dfbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ceddc345bfa05b7c0c61ec02470188a.png)
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5 . 利普希兹条件是数学中一个关于函数光滑性的重要概念,设
定义在
上的函数,若对于
中任意两点
,都有
,则称
是“
-利普希兹条件函数”.
(1)判断函数
,
在
上是否为“1-利普希兹条件函数”;
(2)若函数
是“
-利普希兹条件函数”,求
的最小值;
(3)设
,若存在
,使
是“2024-利普希兹条件函数”,且关于
的方程
在
上有两个不相等实根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f58d4591d668b4bc32fae4faab8298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2712b1acecc1d933cca91078b76ffea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44edb8cc6555fc6ec8d0bfd7d5b33f0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1044dcf4fba551e1b7fbfeb895ea08c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51159984b2cb00f30b3986315019623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e711f9ca607fd1b077e742d1cc156bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f172b078edc129d4ad341fc2bfb13d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92538987cf225663a769b58a933ac6af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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6 . 已知函数
.
(1)若
,求
的取值范围;
(2)若
有两个不相等的实根
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
①求
的取值范围;
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bfe72da09a3c70855e5481e5c8eaf80.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a1b101171cf52faf2e3e53d6725aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd25b0aac17082018e89b67803cd6a1.png)
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7 . 如图,是一座“双塔钢结构自锚式悬索桥”,悬索的形状是平面几何中的悬链线,悬链线方程为
(
为参数,
),当
时,该方程就是双曲余弦函数
,类似的有双曲正弦函数
.
______.(用
,
表示)
(2)
,不等式
恒成立,求实数
的取值范围;
(3)设
,证明:
有唯一的正零点
,并比较
和
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98be08efebc64ff0fbc8d0ef819b0290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/594663e98b797cdc4efbd098cc15854f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2705e42f28cd5e415655cb1fbecf728b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bd6153986cc8b26dd0e58cf92abc00e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/740eb38441fe1cc663275e9f84bacb26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/515599523e72afd87bb9f2929425f35c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ff0b4309f7e59ab9c65410bdee9485.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c745eb108da3e42138a93d1ce780317f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a197403d3d4d35f97c483db6a95a1db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a4ba376c9dfa67cc027d683476368f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a858b8c19d4627c256c8fd524051221a.png)
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名校
解题方法
8 . 已知集合
且
,若
中的点均在直线
的同一侧,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8892c70febbbced59d19e9c2eeaeba83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/435f47f6e6b75ebcab948d15889e5d9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66719cddfed0197a80bdfbe48cdb3cff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-05-16更新
|
1323次组卷
|
3卷引用:浙江省宁波市2023-2024学年高三下学期高考模拟考试数学试题
浙江省宁波市2023-2024学年高三下学期高考模拟考试数学试题安徽省六安第一中学2023-2024学年高三下学期期末质量检测卷(二)数学试题(已下线)压轴题01集合新定义、函数与导数13题型汇总-2
名校
解题方法
9 . 函数
,若关于x的方程
恰好有4个不同的实数根,则实数t的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21dae08066247229136919391aa9704f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd910e8af089632e20f4fa350a864157.png)
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名校
解题方法
10 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027ae44ac7aab22863610036c016bb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28b495cee32b2debec62a621185f91e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a3fccbc87e08e94a90695a848c0902.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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