1 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)若
,且
在
上单调递减,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c9df3146aa063ed24f93f6ebe58de4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b8f666c65d4cfe5f7df638dc58fdf9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa7ed6ef3718999466d18d5b195765b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2628e2dd7a988cc80530e739c22b2280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-04-02更新
|
467次组卷
|
3卷引用:辽宁省辽阳市2023-2024学年高三下学期第一次模拟考试数学试卷
解题方法
2 . 已知函数,过点
作与y轴平行的直线交函数
的图象于点P,过点P作
图象的切线交x轴于点B,则
面积的最小值为
您最近一年使用:0次
名校
3 . 记函数
在
上的导函数为
,若
(其中
)恒成立,则称
在
上具有性质
.
(1)判断函数
(
且
)在区间
上是否具有性质
?并说明理由;
(2)设
均为实常数,若奇函数
在
处取得极值,是否存在实数
,使得
在区间
上具有性质
?若存在,求出
的取值范围;若不存在,请说明理由;
(3)设
且
,对于任意的
,不等式
成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95cf3765e5650555113994da8771e3e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d0c99ddd028f0bc3b1d64924ff0f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df0dd6144e9a30d1a063b690033c3f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca214aa6276b96d67a451c3fdbc59b3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca02970d65fea8d2e9dab7dc060f073f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1416d4381e78902b45e34142529a8a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffc7c3763c1078093d2f3da4368100fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232d1ce3ad14256b1543e6007ff1675d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b85b26594fd953a8154c49948ca88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2024-03-29更新
|
775次组卷
|
4卷引用:辽宁省大连育明高级中学2023-2024学年高二下学期期中考试数学试卷
名校
解题方法
4 . 设
则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a766cb386e733f9cbb2bc787a9477c8b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知函数
,
,若直线
与曲线
和
分别相交于点
,
,
,
,且
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92ee02f3333d4be9f1c6e8e6c0fa3e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90b214777d1b0a9c4f02ec0f6eb42d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af79f45b5880c72a349500da9d8e118d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2faa63899873813748f6a28b8a92e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7b2713d0a94e002bfa2d7ecf0f817e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04268344d6a15c772448328270f1326a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f8b8e572f8701bee02d72fb23da531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d945d18186d89e608fa54dd3e69c066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104ea0b930594d027e94236827f6c491.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-23更新
|
862次组卷
|
9卷引用:辽宁省沈阳市第二中学2023届高三第五次模拟考试数学试题
辽宁省沈阳市第二中学2023届高三第五次模拟考试数学试题辽宁省朝阳市建平县实验中学2022-2023学年高二下学期6月月考数学试题山东省济南市2022-2023学年高二下学期期中数学试题山东省枣庄市市中区第三中学2022-2023学年高二下学期5月月考数学试题(已下线)第六章 导数与不等式恒成立问题 专题九 双变量不等式恒成立问题 微点5 双变量不等式恒成立问题之单调型、中点型、剪刀型重庆市第八中学校2023-2024学年高二下学期第一次月考数学试题四川省遂宁市射洪中学校2023-2024学年高二下学期第一次学月质量检测(4月)数学试题福建省漳州市平和正兴学校2023-2024学年高二下学期4月月考数学试题(已下线)第7题 切线相关的双变量问题(压轴小题一题多解)
名校
解题方法
6 . 若
,都存在唯一的实数
,使得
,则称函数
存在“源数列”
.已知
.
(1)证明:
存在源数列;
(2)(ⅰ)若
恒成立,求
的取值范围;
(ⅱ)记
的源数列为
,证明:
前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72620c113a6fe83273803a9ac24baa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59e7c7a84a4bdb959e95536d0404ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a038de5f1ce88d3baa95c2fd30abf7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9e8b81696639769354c282560245f0b.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)(ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d5aa1a74419f1557aae998dbdadf87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(ⅱ)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773bccec5a6fe68146daa59088db27d8.png)
您最近一年使用:0次
2024-03-12更新
|
2202次组卷
|
5卷引用:辽宁省沈阳市第二中学2023-2024学年下学期期中考试数学试卷
辽宁省沈阳市第二中学2023-2024学年下学期期中考试数学试卷 福建省厦门市2024届高三下学期第二次质量检测数学试题山东省泰安市第一中学2023-2024学年高二下学期3月月考数学试题(已下线)湖南省长沙市四县区2024届高三下学期3月调研考试数学试题变式题16-19江苏省南通市2024届高三高考考前押题卷(最后一卷)数学试题
名校
7 . 已知函数
.
(1)讨论
的单调性;
(2)若
对
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d3515365a9557f04425d4ce9a2120b.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b12f2ff24c52fded1dfd0f0b6940a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-03-03更新
|
928次组卷
|
5卷引用:辽宁省沈阳市东北育才学校科学高中部2023-2024学年高二下学期期中考试数学试题
名校
解题方法
8 . 已知函数
对任意
成立,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c081d5e92f7aa887d7b9affe55ce4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
A.![]() | B.![]() | C.1 | D.2 |
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2024-02-20更新
|
451次组卷
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名校
9 . 已知函数
在
上可导且
,其导函数
满足:
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33875cdd9542d54912febef6b02d014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281bb4da5c83fd6c6f95bd1d30524600.png)
A.函数![]() |
B.函数![]() |
C.当![]() ![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次
2024-02-08更新
|
1379次组卷
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5卷引用:辽宁省大连育明高级中学2023-2024学年高二下学期期中考试数学试卷
辽宁省大连育明高级中学2023-2024学年高二下学期期中考试数学试卷山西省临汾市2024届高考考前适应性训练考试(一)数学试题(已下线)信息必刷卷01(已下线)模块2 专题3 构造函数 解不等式练(高考真题素材库之典型好题母题)(已下线)信息必刷卷04(江苏专用,2024新题型)
名校
解题方法
10 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程:
(2)若
恒成立,求实数
的取值范围;
(3)证明:
(
,
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6326d0794c9e7eb511e0be733ce09114.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4a9b57fc3a19a572c2959a7004fe7d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5479b9a3456d44b5fabdf6a408569fc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8d099cabd8b3578b00abbf80e37f9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e468312d09c6563c9094b710a35a65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
您最近一年使用:0次
2024-01-31更新
|
1831次组卷
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3卷引用:辽宁省沈阳市第二中学2024届高三下学期开学考试数学试题