1 . 已知函数
.
(1)求
的单调区间;
(2)若存在正数m,使得对任意
,
恒成立,求a的最大值(参考结论:
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fc8e78580f574f2c2699181f7150ef5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若存在正数m,使得对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1048b035bdf22b8059904677d50c0f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95d25d0370a3b0c595307b433a7a260d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5661db4405efcf66690cd1413f107c5c.png)
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2卷引用:四川省眉山市2022届高中第三次诊断性考试数学(理工类)试题
2 . 已知函数
.
(1)求
的单调区间;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fc8e78580f574f2c2699181f7150ef5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331ed51ff1e1d91ee693ae74f45a38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1dff54c7b657b718b618266ec5bb0a5.png)
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2022-05-10更新
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4卷引用:四川省眉山市2022届高中第三次诊断性考试数学(文史类)试题
四川省眉山市2022届高中第三次诊断性考试数学(文史类)试题四川省乐山市2022届高三下学期第三次调查研究考试数学(文)试题(已下线)专题08 证明不等式-2021-2022学年高二数学下学期期末必考题型归纳及过关测试(人教A版2019)(已下线)专题9 函数与导数 第4讲 导数与不等式
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3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49ece1ff6ef30715270707ff217acfb7.png)
(1)若
,求函数f(x)在点(1,f(1))处的切线方程;
(2)当
时,讨论f(x)的单调性;
(3)设f(x)存在两个极值点
且
,若
求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49ece1ff6ef30715270707ff217acfb7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(3)设f(x)存在两个极值点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a42526840a0fc525571737bed3d1af6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378b70fac915f3ad6ab0c510a67c8fa6.png)
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4卷引用:四川省绵阳南山中学实验学校补习版2023届高三一诊模拟考试理科数学试题
4 . 椭圆
的左、右焦点分别是
、
,离心率为
,过
且垂直于x轴的直线被椭圆截得的线段长为1.
(1)求椭圆的方程;
(2)若与坐标轴不垂直且不过原点的直线
与椭圆相交于不同的两点A,B,过AB的中点M作垂直于
的直线
,设
与椭圆相交于不同的两点C,D,且
.设原点O到直线
的距离为d,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
(1)求椭圆的方程;
(2)若与坐标轴不垂直且不过原点的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66695091cb878952cd5d9e888ece040d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/180f1803770908743e3785ff70acad7a.png)
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5 . 已知函数
在
处的切线斜率为
(e为自然对数的底数).
(1)求函数
的最值;
(2)设
为
的导函数,函数
仅有一个零点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78fa1a4b3c9ec97f41390e695474406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96363a13dbc4f7c70eff448e71e0ebbf.png)
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3卷引用:四川省攀枝花市2022届高三第三次统一考试理科数学试题
四川省攀枝花市2022届高三第三次统一考试理科数学试题四川省内江市资中县第二中学2022-2023学年高二下学期期中数学试题(已下线)2022年高考考前20天终极冲刺攻略(一)【理科数学】(5月20日)
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解题方法
6 . 已知函数
在
处的切线平行于x轴(e为自然对数的底数).
(1)讨论函数
的单调性;
(2)若关于x的不等式
恒成立,求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ca586f17f309a2923d9d1827b8b0c24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7071323599a321a9d4116a0f4abea67b.png)
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3卷引用:四川省攀枝花市2022届高三第三次统一考试文科数学试题
7 . 已知:
.
(1)当
时,求曲线
的斜率为
的切线方程;
(2)当
时,
成立,求实数m的范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11affc83e22df9fdc4a7379887a750e8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efa8063258db41fd8e9a67f2efbb1726.png)
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解题方法
8 . 已知函数
,函数
.
(1)若
,求
的最大值;
(2)若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6294528bda9b61c6f648e1ece129af32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e212f563f8f943545e4bca191e79dae.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c12551fd5dfdbac5a94b61af0a686c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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9 . 已知函数
.
(1)当
时,曲线
在点
处的切线方程;
(2)若
为整数,当
时,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1827decf6628900c77ba1e98b30105.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65f1bcf110c36fea39bd22e435e8c6a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022-03-23更新
|
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6卷引用:四川省广安市2022届高三第二次诊断考试数学(理)试题
四川省广安市2022届高三第二次诊断考试数学(理)试题四川省内江市2022届高三第二次模拟考试数学理科试题四川省眉山市高中2022届高三第二次诊断性考试数学(理)试题四川省乐山市2022届第二次调查研究考试数学(理)试题四川省雅安市2022届高三第二次诊断性考试数学(理工)试题(已下线)考点05 函数的应用-1-(核心考点讲与练)-2023年高考数学一轮复习核心考点讲与练(新高考专用)
解题方法
10 . 已知椭圆
:
(
)的离心率为
,点
在椭圆
上.
(1)求椭圆
的方程;
(2)设
是椭圆
上第一象限内的点,直线
过点
且与椭圆
有且仅有一个公共点.
①求直线
的方程(用
,
)表示;
②设
为坐标原点,直线
分别与
轴,
轴相交于点
,
,试探究
的面积是否存在最小值.若存在,求出最小值及相应的点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe8530b8e246a9a5ec9fe3b9c347d5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
①求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112f9185c7d48b015d9cd0525616b31.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f02028a3847c4807c2d3cf0ea7efb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2022-03-23更新
|
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5卷引用:四川省广安市2022届高三第二次诊断考试数学(理)试题