解题方法
1 . 设
(a为实常数),
与
的图像关于y轴对称.
(1)若函数
为奇函数,求a的取值;
(2)当a=0时,若关于x的方程
有两个不等实根,求m的范围;
(3)当|a|<1时,求方程
的实数根个数,并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b9b42638033a93f26cbf4fd89b76ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae905f856b26183ebe83225350df5a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110c8d90cd5808b83431c72cdb1976e0.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495d1f17eec7fe720a8fd8840822f55e.png)
(2)当a=0时,若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9405eb72b163ac2b712231899fe398d.png)
(3)当|a|<1时,求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4603bbe40ed845c0fba5dea69053d305.png)
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12-13高二上·吉林·期末
2 . 已知函数
.
(Ⅰ)求函数
的单调区间;
(Ⅱ)若函数
的图像在点
处的切线的倾斜角为
,问:
在什么范围取值时,对于任意的
,函数
在区间
上总存在极值?
![](https://img.xkw.com/dksih/QBM/2015/5/27/1572115735494656/1572115741335552/STEM/d0b847a622394dd794eb090c5eba3bee.png)
(Ⅰ)求函数
![](https://img.xkw.com/dksih/QBM/2015/5/27/1572115735494656/1572115741335552/STEM/c9a371738d31483d85059124faca7761.png)
(Ⅱ)若函数
![](https://img.xkw.com/dksih/QBM/2015/5/27/1572115735494656/1572115741335552/STEM/e927fe807c50460ea71d797390589784.png)
![](https://img.xkw.com/dksih/QBM/2015/5/27/1572115735494656/1572115741335552/STEM/9ae9000222f841c3aade523001222585.png)
![](https://img.xkw.com/dksih/QBM/2015/5/27/1572115735494656/1572115741335552/STEM/3d5759c6a2c543d8a3f92d062838b4cd.png)
![](https://img.xkw.com/dksih/QBM/2015/5/27/1572115735494656/1572115741335552/STEM/19401ec014954515a41fb62b74a29539.png)
![](https://img.xkw.com/dksih/QBM/2015/5/27/1572115735494656/1572115741335552/STEM/1f947c2f1a9f45edb604c87a626c6349.png)
![](https://img.xkw.com/dksih/QBM/2015/5/27/1572115735494656/1572115741335552/STEM/fde07984e7b5468998ee3c7c3b8d00d8.png)
![](https://img.xkw.com/dksih/QBM/2015/5/27/1572115735494656/1572115741335552/STEM/81122f6b162b4f7cb963d1bef1cbe022.png)
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名校
解题方法
3 . 定义两类新函数:
①若函数
对定义域内的每一个值
,在其定义域内都存在唯一的
,使得
成立,则称该函数为“
函数”;
②若函数
对定义域内的每一个值
,在其定义域内都存在唯一的
,使得
成立,则称该函数为“
函数”.
(1)设函数
的定义域为
,已知
是某一类新函数,试判断
是“
函数”还是“
函数”(不需说明理由),并求此时
的范围;
(2)已知函数
在定义域
上为“
函数”,若存在实数
,使得对任意的
,不等式
都成立,求实数
的取值范围.
①若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](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/c411a8fd18c8de5c7de91ead2534602b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a83c952b58c39be1b0d43d304e0911.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](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/c3c98c995fc2687a803998d262d754e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acdf896f6685774c416482a887484fc0.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0da9ea25accbf7eeb60424224b68c092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db527571cfd256c515424c6f9d114284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a83c952b58c39be1b0d43d304e0911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acdf896f6685774c416482a887484fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c918ca5d4e6d46ed130f85e5fa608d.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53275eb34d75ead1b48d1d78123d536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56002ab09438fcb642fde70b10ee9720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acdf896f6685774c416482a887484fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f06f45220c23094a3d9ef53b54b89d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51159984b2cb00f30b3986315019623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94526b73a995b128c50c2487e192f057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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2020-08-07更新
|
593次组卷
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2卷引用:安徽省合肥市第六中学2019-2020学年高一下学期学情检测数学试题
名校
4 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8896c443146fbe75127b469b7d969acc.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.不等式![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
2023-11-14更新
|
741次组卷
|
3卷引用:安徽省淮北市第一中学2023-2024学年高一上学期第三次月考数学试题
解题方法
5 . 已知二次函数
,一次函数
,其中
.
(1)若
且
.
①证明:函数
必有两个不同的零点;
②设函数
的图象与
的图象有两个交点,且交点横坐标分别为
,求
的取值范围;
(2)若
恒成立,求当
取最大值时,不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/204696a289b1f47a176eb16c1cecf8b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a177a71f478503df316044a9b4f740cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baca30d4248a82988890bd032d159b25.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce613eaa5df46a50174085ef5d1087fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
①证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/204696a289b1f47a176eb16c1cecf8b2.png)
②设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30006862446b5ec966b87c46962f778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c131ca013ebab4c2ff7e00b8b46a174.png)
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解题方法
6 . 已知
,设
的解集为
,若
,则实数a的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5debd2dc4ca4da6d43428df6850d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8239472c9487c38320c28f9e95e29c3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e1301dc8dbb7ec6d350939eafcb8e5.png)
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2023-09-30更新
|
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4卷引用:安徽省皖中名校联盟2024届高三上学期第四次联考数学试题
安徽省皖中名校联盟2024届高三上学期第四次联考数学试题河南省南阳市六校联考2023-2024学年高三上学期9月月考数学试题河南省TOP二十名校2024届高三上学期调研考试(三)数学试题(已下线)专题09 利用导数研究函数的单调性(九大题型+过关检测专训)-2023-2024学年高二数学《重难点题型·高分突破》(人教A版2019选择性必修第二册)
名校
解题方法
7 . 已知
,
,其中
,
,且函数
在
处取得最大值.
(1)求
的最小值,并求出此时函数
的解析式和最小正周期;
(2)在(1)的条件下,先将
的图像上的所有点向右平移
个单位,再把所得图像上所有点的横坐标伸长为原来的2倍(纵坐标不变),然后将所得图像上所有的点向下平移
个单位,得到函数
的图像.若在区间
上,方程
有两个不相等的实数根,求实数
的取值范围;
(3)在(1)的条件下,已知点
是函数
图像上的任意一点,点
为函数
图像上的一点,点
,且满足
,求
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a9c0919ff8d95eaa90e77af1e5c000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b22ffc80c5d5d53c796ee8cd5bae05b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae9f908aabcd9d9c46a0ecdfd1d6c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/720091d877ca5e2837b0f410fb99631d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在(1)的条件下,先将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4148d5c33bfd1d227d349cb3a170592e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/594c3641180faaf9b0b343d7a7ffffd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)在(1)的条件下,已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/345bdbbcfadc18e66de019d17be20e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5738ce85a1b9d90ba35310bb5c7e5c17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fccb294942eae20614396e5cfb3e713b.png)
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2022-04-27更新
|
503次组卷
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4卷引用:安徽省滁州中学2022-2023学年高一下学期3月月考数学试题
名校
解题方法
8 . 已知二次函数
同时满足:
①不等式
的解集有且只有一个元素;
②在定义域内存在
,使得不等式
成立.
设数列
的前
项和
.
(1)求
的表达式.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
(2)求数列
的通项公式.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62295c36d2e2174908c2bec0eb5b30f.png)
(3)设
,
,
的前
项和为
,若
对任意
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/791763c9623e308ca90caa34ac905449.png)
①不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
②在定义域内存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d41acc47493556617fe7b9e55093d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca3ecbbaca8eeb1cfa8f4035f7d5726.png)
设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715b1b3f29259c51c89e42c08b65d1b5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62295c36d2e2174908c2bec0eb5b30f.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6565e9b4b00e843e93d405b719ce21b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1ca328915923e9726c4143a0fed064.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e9af55db701e8724494c816bd48bb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4613271f782a90ab580131d09d03d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2021-11-28更新
|
456次组卷
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4卷引用:2016-2017学年安徽黄山屯溪一中高二上学期摸底数学试卷
2016-2017学年安徽黄山屯溪一中高二上学期摸底数学试卷江西南昌青山湖区南昌三中雷式学校2020-2021学年高一下学期期中数学试题(已下线)第4章 数列(单元提升卷)-2021-2022学年高二数学下学期考试满分全攻略(人教A版2019选修第二册+第三册)北京市海淀区北京交通大学附属中学2022-2023学年高二下学期期中练习数学试题
名校
9 . 已知函数
,若存在实数
使得
的解集恰为
,则
的取值范围是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/befd13224bf48bb38f3fa6e1af86ca9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
10 . 已知
,
.
(1)若
,求不等式
的解集;
(2)若不等式
对
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3363ec4cfac92180fe6eb0215a2bab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc6cf993b9614fd187e84029e55eeb38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfea60a0b2e13c123f862f15d6c9485b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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