13-14高二下·四川资阳·期末
名校
1 . 已知函数
(
).
(1)当
时,求
的图象在
处的切线方程;
(2)若函数
在
上有两个零点,求实数
的取值范围;
(3)若函数
的图象与
轴有两个不同的交点
,且
,
求证:
(其中
是
的导函数).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6640d06b4fdf0ec3c57f6e7d355ebae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6178543c569ba9983fa0180bd5be7e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d1733a7dc9eb1c899eb5153d4b006ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b803f91177e9a70ed706d36308103d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d41acc47493556617fe7b9e55093d10.png)
求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c158a550aaa60c8a2282649dae147e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2016-12-03更新
|
979次组卷
|
5卷引用:2013-2014学年四川省资阳市高二下学期期末考试理科数学试卷
(已下线)2013-2014学年四川省资阳市高二下学期期末考试理科数学试卷(已下线)2015届湖南省娄底市高中名校高三9月联考文科数学试卷天津市咸水沽第一中学2020-2021学年高三上学期第一次月考数学试题(已下线)数学-2022年高考押题预测卷01(江苏专用)四川省成都市石室阳安中学2024届高三上学期12月月考数学(文)试题
名校
解题方法
2 . 已知函数
(
为自然对数的底数)
(1)求
的单调区间;
(2)是否存在正 实数
使得
,若存在求出
,否则说明理由;
(3)若存在不等实数
,使得
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3373c14a97d5719f0dd3d724123d96c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87e04b4cd16224102ef696222caa56ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)若存在不等实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2037b0bad7c7a312bac1ac0653d9a491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c158a550aaa60c8a2282649dae147e1d.png)
您最近一年使用:0次
2016-12-04更新
|
574次组卷
|
3卷引用:2017届江苏泰州中学高三摸底考试数学试卷
名校
解题方法
3 . 设
是函数
的两个极值点.
(1)若
,求函数
的解析式;
(2)若
,求b的最大值;
(3)设函数
,
,当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25af1963a9357e2c5eda379417be0bb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ab2b5ac78954012d59b8865e122a255.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c65d84aefe159aebc850cc339a06053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f12a5a6593bf8e1ea4af4ebc1de3cbd4.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd7420dc8f671cc710a0d98b7fbec34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb70265dfe161a8b0821e681f4521721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ad71bbef310726e8799208cdacf358f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3c3a3fa7ca7c116a6613f0eb7d687a.png)
您最近一年使用:0次
解题方法
4 . 已知函数
在点
处的切线方程为
,
(其中
为常数).
(1)求函数
的解析式,
(2)若对任意
,不等式
恒成立,求实数
的取值范围,
(3)当
时,求证:
(其中e为自然对数的底数).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df0e3c150cb0d97c7fe1fc7aefb3ac0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3af75adf2e0f3a63388330daa151e7a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299dbe127ee72054f933e6694118d98f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8c164755dc2d7cff80fb4c9cffc9be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a808cf28eddef7f5bd1a30f5e239df.png)
您最近一年使用:0次
5 . (1)设
,试比较
与
的大小;
(2)是否存在常数
,使得
对任意大于
的自然数
都成立?若存在,试求出
的值并证明你的结论;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc3e5be1796493161a4df7e28a6f6b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc3a5082e00effe19d0e896805fb43b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)是否存在常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60aaae2faac3996688f00ab4ce66c830.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5625d8eab46218b91fe5fadad2125ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-03更新
|
1156次组卷
|
3卷引用:2015届江苏省淮海中学高三上学期期末复习测试三附加题数学试卷
6 . 设函数
.
(1)当
时,求函数
在点
处的切线方程;
(2)讨论函数
的单调性;
(3)当
时,求证:对任意
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d2757e2514f112d7859e8a8b3e82dc.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/811508165a0f0cf31a69c555e0b4ab57.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41c6b9fa72109ba69163a5c6b7874a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbb9e93adb8a1b7b9bf1488f5ce0db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a015f2f90f32114288098874e707900d.png)
您最近一年使用:0次
2017-10-12更新
|
1036次组卷
|
3卷引用:2017-2018学年度第一学期江苏省南通如皋市高三年级第一次联考数学试卷
2017-2018学年度第一学期江苏省南通如皋市高三年级第一次联考数学试卷(已下线)2017-2018学年第一学期期末复习备考之精准复习模拟题高三江苏版数学试题(C卷)江苏省高邮市2018届高三上学期期初考试数学(理科)
名校
解题方法
7 . 已知函数
.
(1)若
的图象与
的图象所在两条曲线的一个公共点在
轴上,且在该点处两条曲线的切线互相垂直,求
和
的值.
(2)若
,
,试比较
与
的大小,并说明理由;
(3)若
,证明:对任意给定的正数
,总存在正数
,使得当
时,
恒有
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa5550429ea6940de8559cecb28c049.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adebd26bdc1c9f97d05f111fb22b1073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62a992bf546c85dc454aa6778ff678f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4e23c3169426441b02a01c540a8074c.png)
恒有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
您最近一年使用:0次
2016-12-03更新
|
875次组卷
|
5卷引用:2015届江苏省扬州市高三上学期期末理科数学试卷
2015届江苏省扬州市高三上学期期末理科数学试卷2015届江苏省扬州市高三上学期期末文科数学试卷(已下线)2015届江苏省扬州市高三上学期期末理科数学试卷(已下线)黄金30题系列 高三年级数学江苏版 大题好拿分【基础版】【全国百强校】江苏省海安高级中学2018-2019学年高二3月月考数学试题
解题方法
8 . 已知函数
,
,
的图象恒过定点
,且点
既在
的图象上,又在
的导函数的图象上.
⑴求
,
的值;
(2)设
,当
且
时,判断
的符号,并说明理由;
(3)求证:
(
且
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d8943bc6210a224a424766c724f89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ed906b7f6267dcd049cc06e1c48ca21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
⑴求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d6c0bbfde440305a1de1e939ac78082.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4eec3b0c45dee7be747f6fa13c4780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a70b95c53fb6655721e2a8c61f5c2c.png)
您最近一年使用:0次
2016-12-04更新
|
449次组卷
|
2卷引用:2015-2016学年江苏南通中学高一下期中理科数学卷
名校
解题方法
9 . 已知
,
,且直线
与曲线
相切.
(1)求
的值;
(2)若对
内的一切实数
,不等式
恒成立,求实数
的取值范围;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c71186cf4ca6c3117169144d905a67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17820048c41082afc3fcecb615831f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea05a2396e436b4df62d6328dbeaddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9279ae1efe42eb170e99e24c19cf4af8.png)
您最近一年使用:0次
解题方法
10 . 已知函数
,(
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
).
(1)若
,
,求函数
的单调增区间;
(2)若
时,不等式
在
上恒成立,求实数
的取值范围;
(3)当
,
时,记函数
的导函数
的两个零点是
和
(
),求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005a55e96097c856c76cff5eea0ffac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/160daec0ad9ccc242f3e259eb4d61ef6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2509871b0a1c0065e0c5fe33e5f56247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef78dc136d9442cc6316338333ef2a10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0fdf3eb8315faaf1a537b4576575218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7994bbcf39f4dda34e877b21af71f103.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/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5350bfac019680b4de9a0b722d97c190.png)
您最近一年使用:0次