名校
1 . 已知
是函数
的导函数,对于任意实数x都有
,
,则不等式
的解集为( )
![](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/563fc38fdc9214b155dff5db21f90f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab30faa78cc53c104f61b1cd906c365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cff5674e46c512029313ee11ea2d13fe.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-05-12更新
|
546次组卷
|
3卷引用:湖北省鄂北六校2023-2024学年高二下学期期中考试数学试卷
名校
2 . 已知函数
,其中
为自然对数的底数,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fad7821a91dffd75182f3caeecc9372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
A.函数![]() ![]() |
B.曲线![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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名校
3 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cecce862fc45c6d7c277fc86e6bb08f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0012dfde184455ca4de951d2e9a557f9.png)
A.-1 | B.1 | C.2 | D.4 |
您最近一年使用:0次
4 . 已知函数
.
(1)当
时,求曲线
在
处的切线方程;
(2)若函数
在
处有极值为
时:
①求
的值;
②若
的导函数为
,讨论方程
的零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06be39ec2bb6a2f873b60906c965525c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3da49df8710b5355a03ce36e7e5937b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00713e73b8357cc7900144f5505bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f2416d1f75a45a314331146550832e.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7145818903d2cadbdbff712519d7331.png)
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5 . 关于函数
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/144eb23c6ce0f77c71c18729d1cd3ddc.png)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
名校
6 . 下列导数运算正确的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
7 . 已知
且
,函数
.
(1)记
为数列
的前
项和.当
时,试比较
与2024的大小,并说明理由;
(2)当
时,证明:
;
(3)当
且
时,试讨论
的零点个数.
![](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/ff69be9f14b645d71fe4547677db36de.png)
(1)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e65101ee1a5a3540d9359676ba6319a.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/42c98250092857464fbe6cc0707b89ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7416befa4d79b1101a79adb8983c95a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/950581caec90a28b5fa8f1e81bf21d19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f7a75bcd70f6b1a6d02dbb92e964e1b.png)
(3)当
![](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/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
名校
8 . 已知方程
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec4097d07b41896eb54392a40c172a35.png)
A.存在实数![]() |
B.存在实数![]() ![]() |
C.存在实数![]() ![]() |
D.存在实数![]() ![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知函数
及其导函数
定义域均为
,满足
,且
为奇函数,记
,其导函数为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/746e726f41962b2d77c400f5d138c39a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bacb5a64d4ae725bfcce99f0496dfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c765461ae1a6c70f5cbdcb6c932a22b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22add663bd26e87d972a10dc5fd9ada1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8dee7f22a67e5dea6ce952c024e552.png)
A.![]() | B.2 | C.1 | D.0 |
您最近一年使用:0次
名校
10 . 下列不等式中,所有正确的序号是( )
①
②
③
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca3868a51cde5308ebc7a224c48193d.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788599f0622ac72c66fb127e168653a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733ab4db74698fc0f1baf83bdc806023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481cf69cd18b4b58c9426b23a8f99655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca3868a51cde5308ebc7a224c48193d.png)
A.①③ | B.①②④ | C.①③④ | D.①②③④ |
您最近一年使用:0次