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1 . 已知函数
,其中e为自然对数的底数.
(1)若函数
在
上有2个极值点,求a的取值范围;
(2)设函数
,
),证明:
的所有零点之和大于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ffabb66b55e415c2c864685fa5223d2.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef53a8a0375569abd516895e30fa350.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddea382d8bece5514a9cbd6a225667e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e2d7c958e99bcd9d7f251c19ee3544.png)
您最近一年使用:0次
2 . 已知函数
.
(1)当
时,求
的极值;
(2)若
恒成立,求实数
的取值范围;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b48e39514c9e9909e94fc5745355cfa.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58196b9e63ec00aa1119052b6de6ae12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6274961e116aff1637d4bc3ac4944ce5.png)
您最近一年使用:0次
2024-05-25更新
|
738次组卷
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5卷引用:四川省成都市郫都区2024届高三上学期阶段检测(三)文科数学试卷
名校
3 . 已知函数
,
.
(1)求函数
的单调区间;
(2)记函数
的导函数为
,若不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6baf4ccfbc0485a742f157dc3f46718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50869fa3e50c0680cd920548b30ff71a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1fea6aa6c06f5a103b0d34fbe02222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a3345844c3c75e262e531db4badddac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-04-14更新
|
396次组卷
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2卷引用:湖南省部分学校2024届高三上学期9月联考数学试卷
名校
解题方法
4 . 已知函数
,若
,使得
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d95e3f8d6c89c309599db0e9ab10e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8915c401aa036a02e9bf27108a7e8e85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-04-01更新
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298次组卷
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3卷引用:甘肃省武威市天祝第一中学、民勤县第一中学2023-2024学年高二下学期第一次月考数学试题
名校
解题方法
5 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f28d658a855c6ae50d73616b56eb72.png)
(1)若
,求实数
的取值范围;
(2)设
是
的两个零点(
),求证:①
;②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f28d658a855c6ae50d73616b56eb72.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2210f152080d9a68a97c805f5c1cde96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4f1c5ef4da03c0e365ceb11c9e6f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7996c8703d622f56fe00ca3b59c79881.png)
您最近一年使用:0次
6 . 已知函数
.
(1)当
时,求曲线
在
处的切线方程;
(2)讨论
在
上的最大值;
(3)是否存在实数a,使得对任意
,都有
?若存在,求a可取的值组成的集合;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196385b84c63f3c5462d5f74d60b09e1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea59cee971344ed593ff082a65d177c2.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7754cc9374c8193dadb6875fb8a3fefb.png)
(3)是否存在实数a,使得对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/561480e3d3809613c33ce1f9c8890510.png)
您最近一年使用:0次
解题方法
7 . 已知函数
,
(1)当
时,求函数
的值域;
(2)若函数
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88826441c6b3f4382f815d6e41705db0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
8 . 已知函数
.
(1)若
恒成立,求实数
的值;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2230568818911397d7b151dda758fc58.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade2a39015ce080f68a6e3e2992b1d16.png)
您最近一年使用:0次
名校
9 . 已知函数
,
.
(1)当
时,求
在
处的切线方程;
(2)若
,
,使得
,
①求
的单调区间;
②求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf87c80c4d518ee7c8eaa72e7b0f1e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75c3e6d9ade5b265f2cae523f6a00c4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e141c53bd594fc81d55f7591e8f6dd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed65729385efc89468b2b143b1b8d79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032e8dc00cdc96860c9cbf8ac09677fc.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-03-08更新
|
719次组卷
|
4卷引用:内蒙古赤峰市2024届高三上学期1.30模拟理科数学试题
内蒙古赤峰市2024届高三上学期1.30模拟理科数学试题(已下线)第8题 导数一般大题(高三二轮每日一题)(已下线)2024年高考数学全真模拟卷08(新题型地区专用)广东省茂名市高州中学2023-2024学年高二下学期3月滚动测试数学试题
名校
10 . 已知函数
.
(1)若函数
有3个不同的零点,求a的取值范围;
(2)已知
为函数
的导函数,
在
上有极小值0,对于某点
,
在P点的切线方程为
,若对于
,都有
,则称P为好点.
①求a的值;
②求所有的好点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261bed360289f37d94f742ab63676e45.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](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/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25be20e3724274132cb83b16deaeecfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02af34501d48e2349967ecdfbfa6c1f8.png)
①求a的值;
②求所有的好点.
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2024-03-08更新
|
1392次组卷
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4卷引用:河北省部分学校联考2024届高三下学期3月模拟(二)数学试题