名校
解题方法
1 . 已知函数
(a为常数).
(1)若
的极大值是3,求a的值;
(2)当
时,对任意
,
恒成立,求整数k的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3549968f2c7f0da0ad325bd58a611c98.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be706891a18cdd3ae6d514d34990b3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1755495f8865e5dc96467dbcc1df3a34.png)
您最近一年使用:0次
2022-02-08更新
|
307次组卷
|
2卷引用:安徽省安庆市怀宁县第二中学2022届高三上学期期末数学(理)试题
2 . 已知函数
.
(1)讨论函数
的单调性;
(2)若函数
有两个极值点
,
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e35250660eb1e4ee94b7b608520bb44b.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/09f86f37ec8e15846bd731ab4fcdbacd.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/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42f9e7ddea34f62af0600f0be6cad0c.png)
您最近一年使用:0次
2022-02-06更新
|
1105次组卷
|
3卷引用:安徽省合肥市2021-2022学年高三上学期第一次教学质量检测文科数学试题
解题方法
3 . 已知函数
的导函数为
.
(1)若
,求曲线
在点
处的切线方程;
(2)若不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc7537f08fc629b5dd820c7478ea544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7191585dffb91d2491fcc306a682c156.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
4 . 已知函数
.
(1)若
有两个零点,求实数a的取值范围;
(2)设曲线
过原点的切线为
,在点
处的切线为
,证明:
与y轴围成的区域G的面积S为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082ece762ffbf92921f4685d45f5166d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e3829bae3f056b86ef3ce85b3e5536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
您最近一年使用:0次
5 . 已知函数
,函数
在
上存在两个零点
.
(1)求
的单调区间;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2749783dee361de74996e32701b7cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c36a76a5b287c0c5f50ee1d8cc4da0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd69d0c489317b93c41e6413d6c5107.png)
您最近一年使用:0次
6 . 已知函数
.
(1)求
在
处的切线方程;
(2)设
,若当
时,
,求
的最小整数值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30aa7a62458cfe11e2390aa2f18376c7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987c0e6e20dbeaa7c4a706f99676601c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557b82077ae2d64e7dce398f11ee33ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
名校
解题方法
7 . 如图所示,两村庄
和
相距
,现计划在两村庄外以
为直径的半圆弧
上选择一点
建造自来水厂,并沿线段
和
铺设引水管道.根据调研分析,
段的引水管道造价为
万元
,
段的引水管道造价为
万元
,设
,铺设引水管道的总造价为
万元,且已知当自来水厂建在半圆弧
的中点时,
.
![](https://img.xkw.com/dksih/QBM/2022/1/24/2901456358277120/2909832154570752/STEM/6b61ee99-9aed-4b92-bfd3-0a87769f9561.png?resizew=178)
(1)求
的值,并将
表示为
的函数;
(2)分析
是否存在最大值,若存在,求出最大值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc9600d011c14315338e99623269d3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355fe3d6107ed80ff49de68d3756fbe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355fe3d6107ed80ff49de68d3756fbe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1cdfe93a110796ba7592e5ef4f869aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/126b6be076b1e9b257747b6e4e2c14ee.png)
![](https://img.xkw.com/dksih/QBM/2022/1/24/2901456358277120/2909832154570752/STEM/6b61ee99-9aed-4b92-bfd3-0a87769f9561.png?resizew=178)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)分析
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次
2022-02-05更新
|
786次组卷
|
5卷引用:安徽省亳州市普通高中2021-2022学年高三上学期期末理科数学试题
安徽省亳州市普通高中2021-2022学年高三上学期期末理科数学试题山东省日照市校际联考2021-2022学年高二下学期期中数学试题(已下线)专题13 函数模型及其应用上海师范大学附属中学2023届高三上学期10月月考数学试题(已下线)专题13 函数模型及其应用-2
解题方法
8 . 已知函数
在
处的切线与x轴平行.
(1)求
在区间
上的最值;
(2)若
恰有两个零点,且
在
上恒成立,求实数c的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f42986a2110113c9ffcdb781f7432c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c66152d3eeae2f5154a2eac94c3cfe.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c74d9681f1affd37098b15c1dcffdd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
您最近一年使用:0次
名校
9 . 已知函数
.
(1)讨论函数
的单调性;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2dbe704251cfd61d5661f03fc8de358.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256f3981024e53f373a80aad40e994ae.png)
您最近一年使用:0次
2022-02-04更新
|
908次组卷
|
3卷引用:安徽省部分学校2021-2022学年高三上学期期末联考文科数学试题
10 . 设函数
.
(1)当
时,讨论
的单调性;
(2)若对于任意
,都有
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f0b66f3d828f8cfbfc2f52d6d7aa79.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e455ba813992e8925b91a6a56948ddab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab0e5aca7446296185594905382268c.png)
您最近一年使用:0次