名校
解题方法
1 . 已知函数
,且
.
(1)求实数
的取值范围;
(2)设
为整数,且对任意正整数
,不等式
恒成立,求
的最小值;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0097e221a2fd7333fb0d47e86546ba61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2b790c0ffe766b815ea769920bf5b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac9ea10cc95de77e1a0ad091359e590.png)
您最近一年使用:0次
2023-05-14更新
|
647次组卷
|
4卷引用:辽宁省六校2023-2024学年高三上学期期初考试数学试题
名校
2 . 已知函数
,
.
(1)当
时,讨论方程
解的个数;
(2)当
时,
有两个极值点
,
,且
,若
,证明:
(i)
;
(ii)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4f583a21e8774680dacc43ca7cd23b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c944c1c2791f64d1f371d43e9a419983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db3e49df811c97550d42912410771d1.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc9920abcee41ad09f346eeb981b9d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d032f4b2ba5c86e3587b195d32b10c8.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/c2d51a019839f799edfeba6d696c6d6c.png)
(i)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/204c481a567855d042f3619351f71ffa.png)
(ii)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5fc1157c75a6fefd470508dd0c77365.png)
您最近一年使用:0次
2023-04-30更新
|
2207次组卷
|
6卷引用:辽宁省沈阳市东北育才学校2022-2023学年高二下学期期中数学试题
辽宁省沈阳市东北育才学校2022-2023学年高二下学期期中数学试题辽宁省沈阳市第二中学2023-2024学年高三上学期10月月考数学试题山东省泰安市2023届高三二模数学试题(已下线)专题突破卷08 极值点偏移(已下线)重难点突破06 双变量问题(六大题型)(已下线)模块四 专题1 期中重组篇(辽宁卷)(人教B版高二下学期)
名校
解题方法
3 . 已知函数
.
(1)若
在
单调递增,求实数
的取值范围;
(2)若
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/089e5525f126f26e9f8b8b53e0a03951.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f909328384f9c52134243753d9c954ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c532b5af7b88f1c21a7584cfac5fea6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a6441e45f5fbd82ba8f26c905645b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edacb490a7367b0a82edd39caa1439bd.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
的图象在点
处的切线方程为
.
(1)用
表示出
,
;
(2)若
在
上恒成立,求
的取值范围;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b198677e91defa3ffba5e1865eb387c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9b326cc2a7caef2834ab8db2aa9b677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0976b60c50db838610ca09250737701a.png)
您最近一年使用:0次
2023-01-16更新
|
843次组卷
|
3卷引用:辽宁省协作校2022-2023学年高三上学期期末考试试题数学试题
名校
5 . 已知函数
.
(1)若
,判断函数
有几个零点,并证明;
(2)若
不是函数
的极值点,求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6025607ec4c367dee2f1b70a24f3415d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68072473a5106f93e3026d992859f7a1.png)
您最近一年使用:0次
6 . 已知函数
.
(1)若
,讨论函数
的单调性;
(2)若
,证明:
有唯一零点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c46e5eb1373e8ede68772153a299ac.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82c14f4c0951e84b84e2e738408eadb0.png)
您最近一年使用:0次
名校
7 . 设函数
,其中
为自然对数的底数.
(1)当
时,讨论函数
在
上的单调性;
(2)当
时,求证:对任意
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0b6ffc19f1678f3cd5a1a2687f3e8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e445f608e4a7d8535b100c0199a8ecf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009935dae2483304749bfa46ceb6eecc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01dc2d99655cf7598837cb0886166ed.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2143a6cfd3526c4f5795328baa51b0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/563ed1ebb56e33b5c387f3666be28fa9.png)
您最近一年使用:0次
2023-01-01更新
|
599次组卷
|
3卷引用:辽宁省瓦房店市高级中学2022-2023学年高三下学期期初考试数学试题
解题方法
8 . 已知函数
,
(1)若
时,求证:函数
)只有一个零点;
(2)对
时,总有
恒成立,求k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868b6a84b8ba850245610435aa0bef2d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/765a1076581eeaffdc124f1a1676c10e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8625151f40f341575c1a71992e485188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f5253e0770377a99d6e0ede768fc92.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
.
(1)讨论
的单调性;
(2)若
在定义域内有两个极值点
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcad05f7ff1dc91d3de6a2c584e903ee.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55485e31d2fb000f1d0a353d306e908e.png)
您最近一年使用:0次
2022-12-04更新
|
1168次组卷
|
6卷引用:辽宁省丹东市凤城市第一中学2019-2020学年高三上学期12月月考数学(文)试题
名校
解题方法
10 . 设
且
,函数
,
.
(1)证明:
恒成立;
(2)若对
,
恒成立,求a的取值范围.
![](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/a0f7e995a546e6ba28ce4970f51e7e4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f052891ba8d0677e482c5436ed0d565.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85187c85826beeca12137805293fff77.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f851f7b4f5386142f46c899bbb58b98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf5bf83c5a5aad483e7dd7d2cee5c9a5.png)
您最近一年使用:0次