名校
解题方法
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf645c696ce3d7f2359a26834207a8b.png)
(1)当
,且
时,证明:
;
(2)是否存在实数a,使函数
在
上单调递增?若存在,求出a的取值范围;不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf645c696ce3d7f2359a26834207a8b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec394192e78c9756068b16fa03e7a28d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8d996099822eca0f217afbd8e52d61.png)
(2)是否存在实数a,使函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00210f79b04a8f6bc1922433d00bc89a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
您最近一年使用:0次
2023-04-18更新
|
531次组卷
|
2卷引用:辽宁省鞍山市第一中学2022-2023学年高二下学期期中考试数学试题
名校
解题方法
2 . 已知函数
.
(1)若曲线
上横坐标为
的点
处的切线斜率为3,求点
处的切线方程;
(2)若函数
在区间
上单调递增,求实数
的取值范围;
(3)证明:当
时,对任意的
且
,恒有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acaf5c2eb9c95b0c7152f39991984eae.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189b2da6c420bf8f8900002d14f65f72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6455e38ff53ede2508e4d9cb23f0b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd5f68f8223717c5f9e7a35da919f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80a2aef119c35a9bcaf3d13487408043.png)
您最近一年使用:0次
3 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)讨论
的单调性;
(3)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be436e9c64d751b4f08b9b6dd9cddb3d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc104100ab653c1ca817ddf5327f3101.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f4eff3125c5e63a994ba1ad5be58e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/add3bd85b46f606d8ddb4d249a8a0fee.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e06d02e1cde6f8103d61f9a0c4717a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e38a1f0197ef018d19bc2003f91d72a.png)
您最近一年使用:0次
2022-10-21更新
|
382次组卷
|
2卷引用:辽宁省大连市滨城联盟2022-2023学年高三上学期期中(Ⅰ)考试数学试题
名校
解题方法
4 . 已知函数
.
(1)当
时,若曲线
在
处的切线方程为
,证明:
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f9d489bd3ee783ae33d5c059b19c5d.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/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d3ce4451ce64e6385d8015c112e68b0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc119537024aa4c222ee3d26de0c0c38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-01-15更新
|
1311次组卷
|
4卷引用:辽宁省大连市育明高级中学2023-2024学年高三上学期期中数学试题
辽宁省大连市育明高级中学2023-2024学年高三上学期期中数学试题四川省成都市2023届高三第一次诊断性检测数学(理科)试题(已下线)第五章 一元函数的导数及其应用 (单元测)(已下线)专题05函数与导数(解答题)
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
解题方法
6 . 已知函数
.
(1)当
时,讨论
的单调性;
(2)当
时,
,求
的取值范围;
(3)设
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46afa07806f14dca42dbc027ac316aa8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be1d8c6384d7fabddb693b2b7fcdf4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faf226d2683a4cb7e3ffa95a92c166e9.png)
您最近一年使用:0次
7 . 已知函数
.
(1)设
,讨论
的单调性;
(2)若
的图象在点
处的切线方程为
.
①求实数
的值;
②当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e4ffcf0dd0f9dbfc8360cbba041a09b.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c8bdb49d4cb59b0f4185dd8eb821194.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d09499542f54aa2221c2a8ad3ba9ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
①求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d2d95020af541d5efbe010cfb99ee8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df0d4aab5d8c0ee623a30a3164ef302.png)
您最近一年使用:0次
名校
8 . 已知函数
.
(1)讨论
的单调性;
(2)若
有两个不同的零点
,
为其极值点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e28960913e4b2beb88a6b0388c36d06.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9b7be63736056addab53bb635c89ff8.png)
您最近一年使用:0次
2022-06-23更新
|
1266次组卷
|
3卷引用:辽宁省实验中学分校2023-2024学年高三上学期期中数学试题
名校
9 . 已知函数
,其中
.
(1)讨论函数
在
上的单调性;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f9c3403d1565f1e1ea345ab5ad003c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0b01772d8f82f005d37da05c0ad5355.png)
您最近一年使用:0次
2022-02-27更新
|
851次组卷
|
4卷引用:辽宁省沈阳市东北育才学校2021-2022学年高二下学期期中考试数学试题
名校
解题方法
10 . 已知函数
.
(1)试比较
与2022的大小关系,并给出证明;
(2)设函数
,若函数
的图像恒在函数
的图像上方,求实数a的取值范围;
(3)函数
在
上的最小值记为
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552929f29f88128f8722a07df4637b75.png)
(1)试比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ad5711ba93525cd6ef8b83851835c3.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a85917564e46a1db0d8b87b3410c98c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da75aace4f63fad95a1258f259a97144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a675b062ab139d92504d1b9d8667f12e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a675b062ab139d92504d1b9d8667f12e.png)
您最近一年使用:0次