名校
解题方法
1 . 已知函数
,
.
(1)证明:对
,
;
(2)若关于
的方程
有两个实根
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd8466184d6263e1e03cf86845f9d0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3851c4662f012c8648f5431bbdc6f0d.png)
(1)证明:对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e81b4aac721bcd4a49593b48a28a8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459daed571e4010ea4f2584168fdabac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715a22d2eac4f9b286d97e362158865c.png)
您最近一年使用:0次
2024-02-20更新
|
312次组卷
|
2卷引用:湖南省株洲市第二中学2021-2022学年高二下学期期中数学试题
名校
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bea43141c4fd7e365616408efc0f03e.png)
(1)讨论函数
的单调性
(2)若函数
在
处取得极值,且对
恒成立,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bea43141c4fd7e365616408efc0f03e.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c2d34cb1ea0cf34812cd7bf01a37b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2024-02-11更新
|
2774次组卷
|
20卷引用:广西浦北中学2021-2022学年高二下学期期中考试数学(文)试题
广西浦北中学2021-2022学年高二下学期期中考试数学(文)试题广西钦州市第一中学2021-2022学年高二下学期期中考试数学(理)试题【全国市级联考】山东省菏泽市2017-2018学年高二下学期期中考试数学(文)试题【全国百强校】新疆兵团第二师华山中学2018-2019学年高二下学期期中考试数学(文)试题北京市西城区北京师范大学附属实验中学2019-2020学年高三上学期期中数学试题甘肃省张掖市第二中学2019-2020学年高二4月线上测试数学(文)试题北京市第三中学2021届高三上学期期中考试数学试题广西崇左高级中学2020-2021学年高二下学期期中考试数学(理)试题南阳六校2021-2022学年下学期第一次联考高二理科数学试题湖北省荆门市2016-2017学年高二下学期期末质量检测数学(文)试题辽宁省瓦房店市2018届高三下学期第一次模拟数学(理)试题甘肃省天水市第一中学2019届高三下学期第三次模拟考试数学(文)试题【全国百强校】江西省景德镇市景德镇一中2018-2019学年高二上学期期末考试数学(文)试题河北省武邑中学2018-2019学年高二下学期第二次月考(6月)数学(文)试题(已下线)专题02 利用导数求函数的单调性(第六篇)-备战2020年高考数学大题精做之解答题题型全覆盖江西省赣州市南康区2019-2020学年高二下学期线上教学检测试卷(三)数学(文)试题辽宁省沈阳市第四十中学2023-2024学年高三上学期10月月考数学试题重庆市南开中学校2023-2024学年高二下学期阶段测试数学试题海南省海南中学2023-2024学年高三上学期第6次月考数学试题重庆市礼嘉中学2023-2024学年高二下学期第一次月考数学试题
3 . 已知函数
,
.
(1)当
时求
的解集;
(2)当
时.若存在
使得对任意的
,都存在
使得
成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69bc671967f99e86389595fb7d73fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f76c8dd9d8b65339df288b2d784e924f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f9d75ebbb4ebb290c4fd3444e1c38b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074482d083a7a0475d66ae29315ae311.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2bf33032e4f44ff4e9473e069dd8be5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b3a5b4f2b7279a7aa94f8ec12b3f43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29bb0589f9beda08f13663816e020df5.png)
您最近一年使用:0次
4 . 已知函数
.
(1)当
为何值时,
轴为曲线
的切线;
(2)用
表示
中的最小值,设函数
,讨论
零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df6a039edbde7d4c242a5ef6cba5f853.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba0898d7174604fa223558cb25b4c78b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061de6f5e53fd5724c5910b8f4ac8c9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
您最近一年使用:0次
名校
5 . 已知函数
,
.
(1)求函数
的单调区间.
(2)当
时,若
有两个不同的零点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
,则
(ⅰ)求a的取值范围;
(ⅱ)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f2ad005cfdf54287aecabe19715125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbbe159c4b32a02014b0e96ec15026e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc3e5be1796493161a4df7e28a6f6b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972ec4bdd54fb730bacea91b79304ff6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba743f102d7b9497a9a2fc20d97d1db.png)
(ⅰ)求a的取值范围;
(ⅱ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8bfd49a6a2667d3fab5cfe7a6b1089b.png)
您最近一年使用:0次
6 . 已知函数
,且
.
(1)若
,求a的值;
(2)当
时,求函数
的最大值;
(3)求函数
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/664e46ce32c44f3358a7b3151c701722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf6d25efb3fdacd2215d90b56418307.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
7 . 已知
.
(1)讨论函数
的单调性;
(2)设
是
的导数.当
时,记函数
的最大值为
,函数
的最大值为
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8f782d7db1dce10a6d765e7d15c98a.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](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/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09a2b7c019dae83e027830b82b3ee8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0237b0c9cb09068e76c7f2b9a639161b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba84caf91202df9aca6302e6860f82e.png)
您最近一年使用:0次
8 . 如图,过原点斜率为k的直线与曲线
交于两点
,
,
①k的取值范围是
.
②
.
③当
时,
先减后增且恒为负.
以上结论中所有正确结论的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
①k的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd90676eb80fa1a5d35bffb087ef0a95.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75b2dbf7259a1d7d48b4626505b998f1.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4356baccfdced22ad483b13700d27b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5fd6fcd3e83e25540a7f38d2c034fe6.png)
以上结论中所有正确结论的序号是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/24/7720c496-535d-4d1a-bf7f-a41647a5bf6c.png?resizew=217)
A.① | B.①② | C.①③ | D.②③ |
您最近一年使用:0次
名校
9 . 已知函数
,给出下列结论:
①
是
的单调递增区间;
②函数
有极大值点是1;
③当
时,直线
与
的图象有两个不同交点.
其中正确的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2fd05055fdcc2257f2615e9b9af1579.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19ab20b82c73e5a5172a06c43a5e15ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ead6a3dbd03539ef5e0807be57bb1e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
其中正确的序号是
您最近一年使用:0次
解题方法
10 . 已知函数
.
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da374a5985902c20abd0204f9924316.png)
(2)设
,若
在区间
内恒成立,求k的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87e9b01bad53cab88e6a2fcae5e73116.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da374a5985902c20abd0204f9924316.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8291ca77106b0bcd3de09a4b9e63504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
您最近一年使用:0次
2023-06-17更新
|
1012次组卷
|
3卷引用:北京市华中师范大学第一附属中学朝阳学校2021-2022学年高二下学期期中数学试题