名校
解题方法
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56ee02bd87617f95061c0c80f0aaf68.png)
(1)若函数
在
上是单调函数,求实数
的取值范围;
(2)当
时,
为
在
上的零点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56ee02bd87617f95061c0c80f0aaf68.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb1022cc69dcf355f869844b0ae810f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ff8dca35b759d3051b62badd7d76bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab82ec9e78d96572035ae1cfe789b02.png)
您最近一年使用:0次
2023-01-06更新
|
527次组卷
|
6卷引用:四川省绵阳市2020届高三年级高考适应性考试(四诊)理科数学试题
名校
2 . 已知函数
.
(1)若
与
在
处相切,试求
的表达式;
(2)若
在
上是减函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37a172fc59ab8567c168c6eb4f66f5a6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03392fa827f8902589fad002b5807a31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2021-09-07更新
|
382次组卷
|
5卷引用:四川省泸州市叙永县叙永县第一中学校2019-2020学年高二下学期期中数学文科试题
名校
解题方法
3 . 已知
,函数
.
(1)若曲线
与曲线
在它们的交点
处的切线互相垂直,求a,b的值;
(2)设
,若
在
上为增函数,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e29d43b992c723264fb32447b9ead01.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d78a6977cea8b6480da24805b27c8a.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac36841d69256ebb05a28929932550f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92860378096f519a8fb276d07dbfabce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
您最近一年使用:0次
解题方法
4 . 已知函数
.
(1)若函数
在
上为单调函数,求
的取值范围;
(2)已知
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a862395a599baca80adeb28d029673a.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2ec965488c7e1cea085463c7731285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31919ca3cc0db34db9e21ba705493475.png)
您最近一年使用:0次
2020-11-29更新
|
548次组卷
|
3卷引用:四川省广元市川师大万达中学2020-2021学年高三第一次诊断性考试数学(文)试题
名校
解题方法
5 . 已知函数
,
.
(1)当
时,求
在
上的最大值和最小值;
(2)若
在
上单调,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b704f91bf094473a963c9f8a63e8a36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa66623cf54b42d6d12be4c8edaa7071.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a7a4a037a4dfe973f1eb683d93d799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-11-22更新
|
546次组卷
|
6卷引用:四川省康德2020-2021高三11月数学试题
解题方法
6 . 已知函数
的定义域为
.
(1)若
不是单调函数,求实数
的取值范围;
(2)若
,求
的值域;
(3)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caef851640adfb3514851b0225e7114b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b61bb7cb94b4d06f0090df1e365667.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6dd48bad94cd301baf5b3347c8a1640.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab5365c9a31649b0e900ab40dbd2958f.png)
(1)若函数
的图象在点
处的切线与直线
垂直,求实数
的值;
(2)若函数
在
上是减函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab5365c9a31649b0e900ab40dbd2958f.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104df9c35dcbfc9ca07efaa1823c6503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f129d441ab39d195cb2580c46065d0fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf26920da1f321bff039ad0abf9b3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-11-04更新
|
337次组卷
|
4卷引用:四川省泸州市泸县第一中学2020-2021学年高三上学期一诊模拟考试理科数学试题
名校
解题方法
8 . 已知
.
(1)当
时,讨论
的单调性;
(2)若
在
上单调递增,求实数
的取值范围;
(3)令
,存在
,且
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52144ccc747046a78522d33a461f24ff.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](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/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c765461ae1a6c70f5cbdcb6c932a22b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d41acc47493556617fe7b9e55093d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e8d8441014892f9ad3dbaad3f89774e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5f4aadc17b6d5c9760a75fab7fb760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-10-16更新
|
957次组卷
|
4卷引用:四川省成都市郫都区2021届高三阶段性检测二理科数学试题
四川省成都市郫都区2021届高三阶段性检测二理科数学试题重庆市巴蜀中学2021届高三上学期适应性月考(二)数学试题重庆市巴蜀中学2021届高三(上)适应性数学试题(二)(已下线)第六章 导数与不等式恒成立问题 专题十一 利用洛必达法则解决不等式恒成立问题 微点2 利用洛必达法则解决不等式恒成立问题(2)
名校
解题方法
9 . 已知函数
,其中
,
,
为自然对数的底数.
(1)若
,
,
①若函数
单调递增,求实数
的取值范围;
②若对任意
,
恒成立,求实数
的取值范围.
(2)若
,且
存在两个极值点
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b51aa0377178a5dbb39aad485c5dbea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b916c6d3fb2fdc67421489f207c93903.png)
①若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](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/1ff8d81b33375f68ddc6c41e42aca315.png)
您最近一年使用:0次
2020-10-10更新
|
3965次组卷
|
3卷引用:四川省成都七中2020-2021学年高三10月阶段性测试数学(理科)试题
名校
解题方法
10 . 已知函数
.
(1)若函数
在区间(2,
)内单调递增,求
的取值范围;
(2)设
,
(
)是函数
的两个极值点,证明:
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b415cf8d34d20be288ea7873879e89d.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e055bc46d3fa50e79532ec5b3665d99b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](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/7d41acc47493556617fe7b9e55093d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b533977c0ef10d1c9134d9f0a259bb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01350ca1d6174be74a9d8a4bb11b784f.png)
您最近一年使用:0次
2020-09-13更新
|
528次组卷
|
3卷引用:四川省江油中学2020-2021学年高三上学期开学考试数学(理)试题