名校
解题方法
1 . 已知函数
,
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02216fa640ac5c29f59d89996af0878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/140f201c0ac30653dd705d85ceea9800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
A.函数![]() |
B.若曲线![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.对![]() ![]() |
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名校
2 . 已知函数
.
(1)求函数
单调区间;
(2)设函数
,若
是函数
的两个零点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455e11da99e74eed8b777828d10b31ca.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ef9f9f0a79e61a30f7da782cbb2fab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707443cbaedaf168568ca9e5f9b9951b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b725fdc8de9800f2692f6fea8585b1e9.png)
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3 . 已知函数
设函数
.
(1)讨论函数
的单调性;
(2)若函数
存在两个极值点
,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c69fd034a2c76f98f29e72cb0300e08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2698c8c83915c681792d96a40cc283b.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aed08076f1a35972d3e406d163f4226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e3dfcbe0c6ffd5486595696f019835.png)
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4 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b2664538096b1510fcb440ac290430.png)
A.若![]() ![]() |
B.当![]() ![]() |
C.若函数![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
5 . 已知函数
.
(1)当
时,证明:
;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dda7e617bb42aff46cd9c0418fd881.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636289ad84b4a3a51095dd32ca201f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ec48beef6b5d959c846da1b4edd6480.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ebf44289afff431d75705499caf0e5b.png)
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名校
解题方法
6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeea9bb195a844feb2f1806db8259604.png)
(1)当
时,证明:
.
(2)若
有两个零点
且
求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeea9bb195a844feb2f1806db8259604.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090e25106827a537fe83b70f5468153b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450398974b1561ca801e102e16df6789.png)
您最近一年使用:0次
2022-12-28更新
|
1381次组卷
|
8卷引用:吉林省部分学校2022-2023学年高三上学期12月大联考数学试题
名校
解题方法
7 . 设数列
的前n项之积为
,满足
.
(1)设
,求数列
的通项公式
;
(2)设数列
的前n项之和为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ff15db2bcd9e1cc16e1ddb0771c04c.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/053d9fad71c6a99176ef247e41a9c2ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f15df518e4d758438e02807c7ffd34.png)
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名校
8 . 已知
.
(1)求
的单调递增区间;
(2)若
,且
,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4883c897d4cbc7adcd4152dc0eba79b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf06aac900465e62b96e8cc581a797e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d21a924a14edc4931bc36f22ff7735.png)
您最近一年使用:0次
2022-12-03更新
|
682次组卷
|
4卷引用:吉林省长春市第二实验中学2022-2023学年高三上学期期末数学试题
吉林省长春市第二实验中学2022-2023学年高三上学期期末数学试题重庆市2023届高三上学期期中数学试题全国大联考2023届高三第四次联考数学试卷(已下线)专题17 函数与导数压轴解答题常考套路归类(精讲精练)-1
9 . 设
为
的导函数,若
是定义域为D的增函数,则称
为D上的“凹函数”,已知函数
为R上的凹函数.
(1)求a的取值范围;
(2)设函数
,证明:当
时,
,当
时,
.
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22add663bd26e87d972a10dc5fd9ada1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22add663bd26e87d972a10dc5fd9ada1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/156b7d51065e1d0188d6b2780970cac7.png)
(1)求a的取值范围;
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223587ac78ab3221143b3a7ec34c3447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc2395f479a7f620dc7a8168f87adef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2ad8c947e7b6d61c611bb1b9df7eecf.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35c8f0d5e9348e6cf9f9ff4a300382b.png)
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2022-11-26更新
|
519次组卷
|
4卷引用:吉林省部分学校2022-2023学年高三上学期11月联考数学试题
名校
解题方法
10 . 已知函数
.
(1)证明:函数
的图象与直线
只有一个公共点;
(2)证明:对任意的
,
;
(3)若
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7159e60d2b9d109b2543eb6aba7071e1.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
(2)证明:对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67a89210cf3fda807166c5f03e9831b8.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3516c9df36097a79027e380e40e3a0ad.png)
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2022-11-10更新
|
316次组卷
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2卷引用:吉林省吉林市吉化第一高级中学校2022-2023学年高三上学期12月月考数学试题