名校
解题方法
1 . 已知函数
.
(1)讨论函数
的单调性与极值;
(2)当
时,函数
在
上的最大值为
,求使得
上的整数k的值(其中e为自然对数的底数,参考数据:
,
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60f4af997b97a8a49daa71ae1ebe271d.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8cee2b953d94d26d5bd5bc3d87c8ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd3ea910dc00f00d104bb8a78c00196f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700458c01a7ad031e27d80ed43e9e882.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e82fd517864115a9d0527deb3fea80f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c988e148f59987145274eea4f66c516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f7fc162bc3d67035556813b44ffafe.png)
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2022-05-26更新
|
835次组卷
|
4卷引用:河北省衡水市部分学校2022届高三下学期4月联考数学试题
2022高三·全国·专题练习
解题方法
2 . 若实数a、b、c、d满足
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08f0f43dcdb537a9971c57c51c14809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9a62fa4bbae6bc3fa5135360e16a25.png)
您最近一年使用:0次
名校
3 . 已知函数
,记
的导函数为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(1)讨论
的单调性;
(2)若
有三个不同的极值点
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
①求
的取值范围;
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ee01931efa32998958d884b09da5e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2aea84dd4425b2dc3420a1babc875df.png)
您最近一年使用:0次
2022-05-23更新
|
1422次组卷
|
5卷引用:天津市南开中学2022届高三下学期居家5月模拟数学试题
天津市南开中学2022届高三下学期居家5月模拟数学试题天津市南开区2022届高三下学期三模数学试题(已下线)2022年全国新高考II卷数学试题变式题13-16题(已下线)2022年全国新高考II卷数学试题变式题20-22题吉林省白城市通榆县第一中学校2023-2024学年高三上学期期中数学试题
名校
4 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)证明:
存在唯一极大值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b879ffedf529bd008db02045d14db8.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4cfb2d80ec27db79ffad4b4b9f5994c.png)
您最近一年使用:0次
2022-05-22更新
|
939次组卷
|
3卷引用:重庆市巴蜀中学校2022届高三下学期适应性月考(十)数学试题
名校
解题方法
5 . 设函数
.
(1)当
时,
恒成立,求b的范围;
(2)若
在
处的切线为
,且
,求整数m的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5fe07668b336b5f97b6f7b335723a5.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a421602c5024f8a6f3393ba09b9f9ede.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baabfd32465e9e50409413d9c1358279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90793f2b98f6342064f770650cbdbe16.png)
您最近一年使用:0次
2022-05-22更新
|
1009次组卷
|
4卷引用:山东省临沂市多区县2021-2022学年高二下学期期中考试数学试题
山东省临沂市多区县2021-2022学年高二下学期期中考试数学试题江苏省南京市江宁高级中学2022届高三下学期适应性考试数学试题(已下线)专题10 利用导数解决一类整数问题(已下线)第四章 重难专攻(四)三角函数与解三角形中的最值(范围)问题(核心考点集训)
名校
6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d4ba4f7498807cb1e78ac1e09cff5ce.png)
(1)求证:函数
在
上有唯一零点
;
(2)若方程
有且仅有一个正数解
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d4ba4f7498807cb1e78ac1e09cff5ce.png)
(1)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5639aa1f6b98003e04afb9da10221e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/652946f2694df6977385df5914947f5f.png)
您最近一年使用:0次
2022·全国·模拟预测
7 . 已知
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52260bb90b2b771afdea4afac4e04086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289fdf3d7182a4b6fbca0a2925fbec01.png)
A.函数![]() ![]() | B.![]() ![]() |
C.函数![]() | D.函数![]() ![]() |
您最近一年使用:0次
2022·全国·模拟预测
8 . 已知函数
,
.
(1)讨论
的单调性;
(2)若函数
的图象总在函数
的图象的上方,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/230e114779bc88486d1b4341f60949fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/789d64b23168eeee32662459a0493b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
9 . 已知函数
,
.
(1)当
时,若
为
的极大值点,求a的取值范围;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a9a2918f3bb049094eb6b81d12f18c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113c0e14352794af0c72f63f4b2efc76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17796db948012ea00f79954c0e389b0d.png)
您最近一年使用:0次
10 . 已知函数
.
(1)当
时,讨论
的单调性;
(2)若
有零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5516f565a852b27a53459b2587738c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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