1 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)设函数
的极小值为M,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d226b00df197f804ce44142255870ed.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c07e812a89d33b567fcbc3350449a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092daf705c0de1215ddef93f990c3f7e.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
,
,
(1)若
,证明:
.
(2)若
,
①证明:函数
存在唯一的极值点
.
②若
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10da6641cb4c1d3b8682f070ba3ad4d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc3e321b0932323e063aa03470db808b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea3ed7016dffc724e898215cd5b1451.png)
①证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45eb31740fad26b78de0fa3044535c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c61cfbfd3bf888856b7dc9b2a84c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da505d882e7c9dfeb80ffa5f79d02087.png)
您最近一年使用:0次
3 . 已知函数
.
(1)求
的最小值;
(2)设
.
(ⅰ)证明:
存在两个零点
,
;
(ⅱ)证明:
的两个零点
,
满足
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9fd4223fe265ca04afff3dd46f0364.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5450aeac024f92b6cbb30d1e3859cd84.png)
(ⅰ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c388166862b3ccfcc7ca749ebe5949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
(ⅱ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c388166862b3ccfcc7ca749ebe5949.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/2b2c7b29e9cf77826549f38513ffc1e6.png)
您最近一年使用:0次
名校
4 . 若函数
在定义域内给定区间
上存在
,使得
,则称函数
是区间
上的“平均值函数”,
是它的平均值点.若函数
在区间
上有两个不同的平均值点,则m的取值不可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/680329b989b33dbbe139f055d56bc719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e7c63ce0b2b86b4706c1f853b0e5e8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4299d08471f0e3d0ef6448b97b11713f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-05-05更新
|
1194次组卷
|
12卷引用:海南省琼海市2023届高三模拟考试数学试题
海南省琼海市2023届高三模拟考试数学试题福建省莆田市2023届高三毕业班第四次教学质量检测数学试题新疆兵团地州十二校2022-2023学年高二下学期期中联考数学试题山东省德州市临邑第一中学2022-2023学年高二下学期5月月考数学试题(已下线)模块二 专题2 《导数》单元检测篇 A基础卷(人教A)江西省湖口中学2022-2023学年高二下学期5月期中考试数学试题(已下线)第二章 函数的概念与性质 第三节 函数的奇偶性和周期性(B素养提升卷)(已下线)模块二 专题5 《导数及其应用》单元检测篇 A基础卷(北师大2019版)(已下线)模块二 专题4 《导数及其应用》单元检测篇 A基础卷(人教B)吉林省白山市2023届高三五模联考数学试题(已下线)山东省实验中学2024届高三第一次诊断考试数学试题变式题11-14吉林省延吉市延边第二中学2023-2024学年高二下学期5月期中考试数学试题
解题方法
5 . 已知函数
在
上单调递增.
(1)求
的取值范围;
(2)若存在正数
满足
(
为
的导函数),求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d14d06be01751f8ef6154d28c2b2b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若存在正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f58d4591d668b4bc32fae4faab8298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51521e8de2831f4701511a34491dba14.png)
![](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/99d47c1b2254840eb6c54ec0c6214990.png)
您最近一年使用:0次
2023·全国·模拟预测
名校
6 . 已知
,函数
.
(1)当
时,求曲线
在
处的切线方程;
(2)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2eac2ca815b49d08974e3811d62b56.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c8fab1ef156db1dc2384dff7f9b9e5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-05-01更新
|
728次组卷
|
4卷引用:海南省西南大学东方实验中学2023届高三模拟考试(5月押轴模拟)数学试题
海南省西南大学东方实验中学2023届高三模拟考试(5月押轴模拟)数学试题(已下线)2023年高三数学(理)押题卷二云南省楚雄彝族自治州民族中学2022-2023学年高二下学期6月月考数学试题(已下线)重难点突破07 不等式恒成立问题(十大题型)-2
解题方法
7 . 已知函数,
,点
,设曲线
在点A,B处的切线的斜率分别为
,
,直线
的斜率为k.
(1)若
存在极小值,且极小值为0,求实数a的值;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edceb1f45633fa5111f9d7fe05177fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6666042e9d296a45b4c212367ea25914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47fe863357e026cd960fea54a3ac827d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4ca086fca586da964c007788de45cc.png)
您最近一年使用:0次
名校
8 . 已知函数
.
(1)若函数
在
上只有一个零点,求
的取值范围;
(2)若
,记数列
的前
项和为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c5c950433249cbee40438976c48c3e.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03db4ea1dcb63b22cf4e917df5db581e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2016fb5660a8bd093473903057e08da2.png)
![](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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef80a3ff6237c407bfb14c1252c59534.png)
您最近一年使用:0次
9 . 已知函数
,
.
(1)讨论函数
的单调性;
(2)当
时,函数
有两个不同的零点
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ea400e6c5e28322f5b5c8f8522e1da8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc80fc6d83395bf479026a4726194653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd888afdcfdb3e91a157d50f65e915e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066bb2df7fb6ba52c87cbd293b0901e0.png)
您最近一年使用:0次
2023-04-16更新
|
480次组卷
|
2卷引用:海南省儋州市第三中学2022-2023学年高二下学期期中考试数学试卷
名校
10 . 已知函数
.
(1)求
的最值;
(2)当
时,函数
的图像与
的图像有两个不同的交点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c136ed449ac2ee8e4d0cbbfc02ca60c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6512eb46832b81f868a017eebc3b47e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-03-24更新
|
486次组卷
|
2卷引用:海南省2023届高三一轮复习调研考试数学试题