名校
1 . 已知函数
,其中
.
(1)若函数
定义域内的任意x使
恒成立,求实数a的取值范围;
(2)讨论函数
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ca554e8460e0fc79855d7cda4ed131.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17562636810999b1c98c5e99b5c3e0dd.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
您最近一年使用:0次
2023-05-20更新
|
716次组卷
|
7卷引用:湖北省黄冈市2022-2023学年高三上学期9月调研考试数学试题
湖北省黄冈市2022-2023学年高三上学期9月调研考试数学试题广东省梅州市五华县水寨中学2022-2023学年高三上学期10月月考数学试题(已下线)专题08 盘点判断函数单调性的五种方法-1上海市南洋模范中学2023届高三下学期3月模拟1数学试题(已下线)专题2 导数(3)(已下线)模块一 专题5 导数及其应用1 (北师大2019版)(已下线)专题突破卷05 含参函数讨论单调性
名校
解题方法
2 . 已知
,
.
(1)讨论函数
在
上的单调性;
(2)对一切实数
,不等式
恒成立,其中
为
导函数,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7ed99a74e126a05cb520f19c094020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eacff6ed8f5a19b33ea7a13fefbbbf0.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db375608f180a03ebe97e171448acfe5.png)
(2)对一切实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02985dbb2ffa02dd41290c4c4f518570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22add663bd26e87d972a10dc5fd9ada1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
名校
解题方法
3 . 若不等式
对
恒成立,则整数
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba5cbeabe28cbc91bb6f038baddd65a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e81b4aac721bcd4a49593b48a28a8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
4 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/731de3d365c65c9e16215a6e0a3add8a.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() |
C.若![]() ![]() |
D.若对![]() ![]() ![]() |
您最近一年使用:0次
2023-05-11更新
|
1284次组卷
|
4卷引用:重庆市第一中学校2021-2022学年高二下学期期末数学试题
名校
5 . 已知函数
,
.
(1)函数
为函数
的导函数,当
时,证明:
,
恒成立;
(2)当
时,证明:函数
存在极值点
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f8c170c399b29eff1ab8cbd5c5d342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0527a896aec4a245945e5edee00deed.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/4b4855787feb81a72c6fb51e2246ca87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52da616af9387c1ce71d19bf5c664d99.png)
您最近一年使用:0次
名校
6 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)若函数
在
上有最小值,求
的取值范围;
(3)如果存在
,使得当
时,恒有
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5860d9a568403efb392fbffa5c24fc0d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)如果存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea69fb59dc615852a0d248675788d82e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f6eb5caf8df72136690703ba74a839.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc23217fe5d727feace1509cda9cc2be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-05-07更新
|
1360次组卷
|
7卷引用:北京市顺义区第一中学2022-2023学年高二下学期6月月考数学试题
名校
解题方法
7 . 已知函数
,
,其中
.
(1)证明:当
时,
;当
时,
;
(2)用
表示
中的最大值,记
.是否存在实数a,对任意的
,
恒成立.若存在,求出
,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ec08ec41b4c6610befef88efdd1cd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/446318e79ee96fef166db246c3b2c799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
(2)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1bfb9487f824ff9fd2a1a281f8d62f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f66fd3129db024daf48dfd8c4673a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f94198db0631951a6455f03128b557a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022高三·全国·专题练习
解题方法
8 . 已知函数
,若关于
的不等式
恒成立,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a7c2664e813267c525d6e5954a0f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
9 . 已知函数
.
(1)当
,
时,讨论函数
的单调性;
(2)若
,且
,若
,求实数的m最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc393e2db8d17c2e70a6290de6e2a20.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d64a7933986285685172c94a5900d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f06408895febc126c2ae409e807349c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290fb6f1ecf3e1bcbd267e5b4a36be90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d3eb2f9c5220ff84734efc6c8addff.png)
您最近一年使用:0次
解题方法
10 . 若对于任意的
,
,
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3368388525e30cb7179909b03184eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c01b95fc6bc3cffa663f90eaaa9004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次