解题方法
1 . 设
(e是自然对数的底数,
).
(1)若
在
处的切线方程为
,求
的值.
(2)若函数
在区间
上单调递减,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c56604bc415f59db5fe3b93ab17654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc27a9baeaf878d8d9b021a84447076.png)
(1)若
![](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/14b90cba94bb48127daef76dfb3c67f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f909328384f9c52134243753d9c954ef.png)
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名校
解题方法
2 . 对任意的实数
,都存在两个不同的实数
,使得
成立,则实数
的取值范围为
![](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/8a6e7a18eb6a1a9702ba142985d55eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
3 . 设点
为函数
与
图像的公共点,以
为切点可作直线
与两曲线都相切,则实数
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c72f4e7d1d12b3a8cada66f559e61fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ed5b7d07dfa7596f293a45369568f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-11-15更新
|
593次组卷
|
3卷引用:广东省阳春市第一中学2018届高三上学期第三次月考数学(理)试题
广东省阳春市第一中学2018届高三上学期第三次月考数学(理)试题(已下线)单元测试君2017-2018学年高二文科数学人教版选修1-1(第03章 导数及其应用)河南省鹤壁市高级中学2020-2021学年高三上学期第一次模拟测试(8月段考)数学(理)试题
名校
解题方法
4 . 已知函数
在
处取得极值
.
(1)求
的解析式;
(2)
为何值时,方程
只有
个根
(3)设函数
,若对于任意
,总存在
,使得
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e0a409eaaaafad185a9a1d57c6fc90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679353e656a54993c041ebd39ec7b31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f982d6ec56d3343aae288681b4fef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/867aff92e5807dc5366be36601f966c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4957b3aa9011d5ab21446fec3583fb31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f17c657f240b635dd82fc5d0f12177d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da2f581d103d004476ffc49336793e4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2017-07-15更新
|
980次组卷
|
3卷引用:福建省福州市八县(市)一中(福清一中,长乐一中等)2016-2017学年高二下学期期末联考数学(文)试题
名校
解题方法
5 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b1a59dda1212ec7a25984bba3bedeb.png)
,
.
(1)若直线
与函数
的图像相切,求
的值;
(2)设
,对于
,都有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b1a59dda1212ec7a25984bba3bedeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c235ca725ade5c8b07943ac106a90fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b39622736a6699fe3bebe4c9b6a4a49.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce847b4e14ffc1069da52bf1f566b3a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/191a9f1cd3402de148664b7fbe7a0c79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2017-03-29更新
|
1232次组卷
|
3卷引用:2017届山东省枣庄市第三中学高三全市“二调”模拟考试数学(文)试卷
解题方法
6 . 已知函数
,
,曲线
在
处的切线方程为
.
(1)求
的解析式;
(2)若对
,
恒有
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d7d602a4d254d3c88edaff22170dfac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342555aec4864efbef1830c1626ab269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f42457c945c02fd46fb018712e73171.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4575cda751c61ba3de90b29547797d67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272cf748d179934095f42c83dd8fe2e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea9655f1d25bb28f5433759c1aa2786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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2017-03-03更新
|
1176次组卷
|
2卷引用:2017届河北省张家口市高三上学期期末考试数学(文)试卷1
解题方法
7 . 设函数
,若不等式
有解,则实数
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efac988e5262bc1cdb4f49a9abbcdae7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
8 . 设函数
,若不等式
有解,则实数a的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c999f54711e077a516149c6cf3a437c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 已知函数
,
,其中
且
,
为自然常数.
(1)讨论
的单调性和极值;
(2)当
时,求使不等式
恒成立的实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2159221ceb3433461a0fb49747f1af46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8da208132c56cf53ce7f4d0985582c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23cee1358737323228d473df162f274e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
10 . 设函数
,
表示
的导函数.
(1)求函数
的单调递增区间;
(2)当
为偶数时,若函数
的图象恒在函数
的上方,求实数
的取值范围;
(3)当
为奇数时,设
,数列
的前
项和为
,证明不等式
对一切正整数
均成立,并比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d65cc2223ad9962d34105f2a75b756a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e80063d45a0c9dc6f8c56eba86b23a39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe96ccf7d78566dead981aa9bf85ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0993a7e1439a5dc308c32cbb1b89147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e835940e4b23dacc4a121b392636da3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e27168f68700b73325dd152757791d30.png)
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