解题方法
1 . 定义:若一个函数存在极大值,且该极大值为负数,则称这个函数为“
函数”
(1)判断函数
是否为“
函数”,并说明理由
(2)若函数
是“
函数”,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a0372010bf3aed44708cf17a0140612.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d3ad5ff4b28caa909bed2223b28a8c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a0372010bf3aed44708cf17a0140612.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ded5b96f4b341ece2fc253b6973e4f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a0372010bf3aed44708cf17a0140612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
,
.
(1)当
时,求
在
上的值域;
(2)若
的极大值为4,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6491548cdffaf4630b1991c6d1f12601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42cbd8674ef53c0238ebcadfa6f47b39.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
解题方法
3 . 已知函数
.
(1)当
,
时,求曲线
在点
处的切线方程;
(2)当
时,
既存在极大值,又存在极小值,求
的取值范围;
(3)当
,
时,
,
分别为
的极大值点和极小值点,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4feb969f010e739163db2622743b2380.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf9befc3b336d83b83bcfcbc19c0752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.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/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f386803debe019dfca91cb18a09c1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2023-11-24更新
|
593次组卷
|
4卷引用:上海市闵行区七宝中学2024届高三上学期期末数学试题
上海市闵行区七宝中学2024届高三上学期期末数学试题江西省部分地区2023-2024学年高三上学期11月质量检测数学试题河北省部分高中2024届高三上学期11月联考数学试题(已下线)每日一题 第27题 导数促单调性 极值最值齐飞 (高三)
4 . 已知正整数
,函数
.
(1)若
,
,
,
,
在
上严格增,求实数t的最小值;
(2)若
,
,
,
,
在
处有极值,函数
有3个不同的零点,求实数m的取值范围;
(3)若函数
的导函数
恰有
个零点
(
,2,…,k),满足
,求证:
在
上严格增.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2c91611d2411474b94020434befbde.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa69dde104dcf963e67647e801e0149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3299d1d394efc1381671b1632e6e87e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad6bb11629d27b032bd757c348c95e8c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa69dde104dcf963e67647e801e0149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3096521d50a8baaa018ebc9f25ec9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16c8d0474f7d81ef8dbefaacfd5afe7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc046a7b475b5130da69bf537226ec8.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2aa89da57b35c4f8d4a0783943415b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ea8f47d8d8d9e1832d52b1c7425450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c45176df950dfe48b8ca7eac08ee349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77f2c29c3fa9a439ec37ff47048aa03f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d03eaad42260d22a743005c0cd43cd59.png)
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5 . 已知函数
.
(1)当
时,求
在
处的切线方程;
(2)若
在
上单调递增,求实数
的取值范围;
(3)若
存在极大值和极小值,且极大值小于极小值,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade28792606e160fca00f675d711791c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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23-24高二上·上海·课后作业
解题方法
6 . 已知函数
在
处有极值0,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1115712a008e0927e565bbbd9fdd84a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
您最近一年使用:0次
23-24高二上·上海·课后作业
7 . 设函数
的图像与
在原点相切,若函数的极小值为
,求函数的表达式与单调减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3746cd9b9f97c522d30cc854f6166a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
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真题
名校
8 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)是否存在a,b,使得曲线
关于直线
对称,若存在,求a,b的值,若不存在,说明理由.
(3)若
在
存在极值,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bef288a37445866557a1146767750696.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)是否存在a,b,使得曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b730e5917935447a381bfe69654aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b334dafda377c3db77647c8cf1e95f.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
您最近一年使用:0次
2023-06-09更新
|
21300次组卷
|
26卷引用:上海市育才中学2024届高三上学期10月调研数学试题
上海市育才中学2024届高三上学期10月调研数学试题2023年高考全国乙卷数学(理)真题全国甲乙卷3年真题分类汇编《导数》全国甲乙卷真题3年分类汇编《导数》解答题全国甲乙卷真题5年分类汇编《导数》解答题专题02函数与导数(成品)(已下线)2023年高考全国乙卷数学(理)真题变式题21-23(已下线)考点17 导数的应用--函数极值问题 2024届高考数学考点总动员四川省江油市太白中学2023-2024学年高三上学期9月月考理科数学试题(已下线)第03讲 极值与最值(练习)(已下线)专题2 函数的性质综合应用【练】 模块3 变量关系篇(函数)高三清北学霸150分晋级必备(已下线)专题12 导数及其应用(已下线)第2讲:利用导数研究函数的性质【练】高三清北学霸150分晋级必备湖北省武汉市西藏中学山南班2024届高三上学期期末数学试题(已下线)导数及其应用(已下线)5.3.2课时2函数的最大(小)值 第三课 知识扩展延伸(已下线)重难点06 导数必考压轴解答题全归类【十一大题型】(已下线)专题07 函数与导数常考压轴解答题(12大核心考点)(讲义)(已下线)思想03 运用函数与方程的思想方法解题(4大核心考点)(讲义)(已下线)专题3.2 函数的单调性、极值与最值【七大题型】(已下线)信息必刷卷03(江苏专用,2024新题型)(已下线)专题22 导数解答题(理科)-2(已下线)专题2 导数与函数的极值、最值【讲】(已下线)专题9 考前押题大猜想41-45专题03导数及其应用专题34导数及其应用解答题(第一部分)
名校
解题方法
9 . 已知函数
,
.
(1)若
存在极值,求
的取值范围;
(2)若
,求
的值;
(3)对于任意正整数
,是否存在整数
,使得不等式
成立?若存在,请求出
的最小值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac20da80cf61e665d7bb2a039420d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08290af79305df59bc0a1fc2b7c4f7c5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)对于任意正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/952cdff30a13c7e9eeee8fdca17e5bc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
10 . 设
是定义域为
的函数,当
时,
.
(1)已知
在区间
上严格增,且对任意
,有
,证明:函数
在区间
上是严格增函数;
(2)已知
,且对任意
,当
时,有
,若当
时,函数
取得极值,求实数
的值;
(3)已知
,且对任意
,当
时,有
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08a58786946f71a4cca026b03209f077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a75ad60c144a70f02452336fbfe706b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b98756428d4570b72d0286cb2dc209.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d71122e87403561adbcdac88945c481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffc6b2381466e8c5e9d63662d4e5c50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e2440f783ad81b8da348c4ce89c8149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b161d1fa052b4b7b1d991da282b6bf84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a75ad60c144a70f02452336fbfe706b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffc6b2381466e8c5e9d63662d4e5c50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75965da655669b120d5f28c4247b7bce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5223ece2f8f76850c49e2505304532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a75ad60c144a70f02452336fbfe706b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f08e4ae2ae9dfb90daf707cb5578c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
您最近一年使用:0次
2023-04-12更新
|
999次组卷
|
7卷引用:上海市青浦区2023届高三二模数学试题
上海市青浦区2023届高三二模数学试题(已下线)专题03 导数及其应用(已下线)专题02 函数及其应用(已下线)重难点04导数的应用六种解法(1)上海市北蔡中学2023-2024学年高二上学期12月月考数学试卷湖南省株洲市第二中学2023-2024学年高三下学期开学考试数学试卷(已下线)微考点2-5 新高考新试卷结构19题压轴题新定义导数试题分类汇编