名校
1 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)判断函数
的单调性;
(3)若
,其中
且
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b630638ecc06e7d6ace39fb3d0133e.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe7293b41466a63e85fca5b4c45f2f3.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/0a6936d370d6a238a608ca56f87198de.png)
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2 . 如图,已知圆台
的下底面直径
,母线
,且
,
是下底面圆周上一动点,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/11/9217506a-2438-4f44-b7fc-64d4d36123cc.png?resizew=173)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/270ddac9587bf1ea553914cb69595ab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/11/9217506a-2438-4f44-b7fc-64d4d36123cc.png?resizew=173)
A.圆台![]() ![]() |
B.圆台![]() ![]() |
C.当点![]() ![]() ![]() ![]() |
D.![]() ![]() |
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名校
解题方法
3 . 已知函数
,当
时,记
的最大值为
,有
,则实数
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74058d108d5e7bd0683e5c50b299f757.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a088807989fd6e6df69e48d4c43122.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09a2b7c019dae83e027830b82b3ee8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/844379f6794dfe567fcd7a0a73b81540.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.2 | B.1 | C.![]() | D.![]() |
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名校
解题方法
4 . 已知函数
,对
,不等式
恒成立,则整数
的最大值是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8c90645aed83e931540b43344d5758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5473efe7e8158921691788438d105c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43920f5171ed31db2520ef00e4c5fc24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-06-08更新
|
174次组卷
|
2卷引用:浙江省北斗星盟2023-2024学年高二下学期5月阶段性联考数学试题
名校
解题方法
5 . 已知函数
.若函数
对一切
均成立,则实数
的取值范围______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f207d545352a63e27d8b4dd729f04f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a8a9f4f0d6590de86becb733bd1b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb005769d5478c56fc5a01d824167d8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 信息熵是信息论中的一个重要概念.设随机变量
所有可能的取值为1,2,…,n,且
,
,定义
的信息熵
.下列正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4c5252fe790b57fb917728e410ef925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c94a17b49550283be4ec1a348c8534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6aff1256960a159195ce0b1b8ff83c7.png)
A.若![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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名校
解题方法
7 . 设函数
,
的定义域均为
,且函数
,
均为偶函数.若当
时,
,则
的值为( )
![](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/18377150b1ced455e66c9054f7305379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fbb39a17c9657d6d69175f108cc58b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd0a5004829e5ae20287292cbf30620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6959a4d33ea884bff11fd57ae61e730f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 已知函数
.
(1)当
时,求
的单调区间;
(2)若关于
的方程
有两根
(其中
),
①求
的取值范围;
②当
时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65ec0aaf8d425bd514ecdd5eb7c8c576.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad9aabed82b77f5d99b518f1af238d1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a920c9ed2ebd815c4271720fd93df1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
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9 . 已知直线
与圆
相交于
,
两点,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3683fd5cbf7b7bdef462a3d38ce4eff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9be2c91c4ace79b6d3ce4e86681f2b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.若圆![]() ![]() ![]() |
B.![]() ![]() |
C.当![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() |
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名校
解题方法
10 . 已知
是半径为5的圆
上的两条动弦,
,则
最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84663b253587679c01af3b5cfc620661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10b33efea068a0e3fd94846c00d38ed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d7d855feebe97de70334676548d9d1.png)
A.7 | B.12 | C.14 | D.16 |
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