名校
解题方法
1 . 已知函数
.
(1)若
对任意的
恒成立,求t的取值范围;
(2)设
且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4a570f4d94afa695d32548dda63a0e8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91011caeec60187fe2fc4e66310dd56d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2514db2de125390f82b1604143d0827c.png)
您最近一年使用:0次
2023-11-10更新
|
589次组卷
|
2卷引用:辽宁省大连市金州高级中学2023-2024学年高三上学期期中考试数学试题
名校
2 . 已知函数
.
(1)讨论
的单调性;
(2)设
,若
,
是
的两个极值点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b450287f8fa1f4687f3efc3fd7444e2e.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c4fa78856909db6d9e7c43078bcc7ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c4588a79e160bca3711b1151a52f26b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd1b9f152654fd42b112adb81a5879bc.png)
您最近一年使用:0次
2023-11-09更新
|
617次组卷
|
5卷引用:辽宁省县级重点高中协作体2023-2024学年高三上学期11月期中考试数学试题
名校
解题方法
3 . 已如函数
.
(1)当
时,求函数
的单调区间;
(2)当
时,求证:函数
存在极小值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7de402fe839aa53c7f29ea4b55fd1a7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.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/540faf57028f84450849091b2d758905.png)
您最近一年使用:0次
2023-04-19更新
|
863次组卷
|
4卷引用:辽宁省沈阳市郊联体2022-2023学年高二下学期期中数学试题
辽宁省沈阳市郊联体2022-2023学年高二下学期期中数学试题江苏省苏州市2022-2023学年高二下学期期中数学试题(已下线)模块四 期中重组卷3(江苏苏锡常镇)(苏教版)(高二)辽宁省大连市第十二中学2023-2024学年高二下学期6月份学情反馈数学试卷
名校
4 . 已知函数
.
(1)当
时,求
的单调区间;
(2)当
时,若不等式
恒成立,求
的取值范围;
(3)设
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae19d7b49be015e2ef80f1ddc78378a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc895959e9bc92294dc9dd2263dbf0c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4921923069c4f38a0af1ff8637e35b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c8d5e61351e8a57f702e9ae66d146d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68207a3154bd827a6647075efda61f70.png)
您最近一年使用:0次
2023-10-07更新
|
735次组卷
|
4卷引用:辽宁省六校协作体2024届高三上学期期中联考数学试题
名校
5 . 设函数
,其中
.
(1)讨论
的单调性;
(2)若
存在两个极值点,设极大值点为
为
的零点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a22cf634b95ffffa7e86f4ea2c5485f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.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/63672a5c1b2ebad57fd763c1eede4d32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6df2889121fee75c33cb682a3fac476b.png)
您最近一年使用:0次
2023-05-18更新
|
1587次组卷
|
4卷引用:辽宁省沈阳市一二〇中学2023-2024学年高三上学期第四次质量监测数学试题
名校
6 . 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
|
2206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(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)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)
7 . 已知函数
,曲线
在点
处的切线方程为
.
(1)求
的值并讨论
的单调性;
(2)设
为两个不相等的正数,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c99bede9abb43cf6dabb90a0cc80c4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/000eef050602fcd0f24777edaeab3544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4844d12d7b0a4c6bcdc3e3ab5709fe.png)
您最近一年使用:0次
2023-08-23更新
|
234次组卷
|
2卷引用:辽宁省大连市大连开发区十中2024届高三上学期期中数学试题
名校
8 . 已知函数
.
(1)若
,证明:
恒成立.
(2)若
存在零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac7ed27e75f300e4fa52db2700f3851.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2023-06-21更新
|
635次组卷
|
5卷引用:辽宁省抚顺市重点高中六校协作体2022-2023学年高二下学期期中考试数学试题
辽宁省抚顺市重点高中六校协作体2022-2023学年高二下学期期中考试数学试题湖南省岳阳市岳阳县第一中学2023-2024学年高二下学期4月期中考试数学试题广东省阳江市2024届高三上学期第一次阶段调研数学试题(已下线)专题突破卷07 导数与零点问题(已下线)专题3 导数与函数的零点(方程的根)【练】
名校
解题方法
9 . 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
10 . 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