名校
解题方法
1 . 已知
.
(1)当
时,求
的最小值;
(2)当
时,有
恒成立,求b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28aa9645478a51721fcee8127a81497a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.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/aca9dcc0b89d8a7c6ea302ec6c7829c4.png)
您最近一年使用:0次
2023-05-03更新
|
491次组卷
|
4卷引用:新疆乌鲁木齐市等5地2023届高三高考第二次适应性检测数学(理)试题
名校
2 . 已知函数
,
,
,其中
为自然对数的底数.
(1)讨论
的单调性;
(2)当
时,证明:对于
,都有
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99f4ce63ecec208598b23202ae211bb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a638b5a60d9a3dc23e23b5472874f785.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fad1dd76d5b72f10f5bb62693a2996f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
您最近一年使用:0次
2023-04-21更新
|
476次组卷
|
3卷引用:新疆维吾尔自治区乌鲁木齐市等5地莎车县第九中学等2校2023届高三二模数学(文)试题
名校
解题方法
3 . 下列不等式中恒成立的有( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 已知函数
,
(其中
).
(1)讨论
的单调性;
(2)对于任意
,都有
成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c57718ebc2b78335f17452ca47cb2473.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f279ed14505a5b48d7c777b0c0d7679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37600c3dd9f62ea3e9e8f89df4a7866a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
您最近一年使用:0次
2023-04-14更新
|
1266次组卷
|
6卷引用:新疆乌鲁木齐市第六十一中学2022-2023学年高二下学期期中考试数学试题
名校
5 . 已知函数
,
.
(1)已知
在定义域内单调递增,求实数
的取值范围;
(2)若
,且关于
的不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe531707b6c2edc2e325716989ea0e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)已知
![](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/bb5f421939ee855f25927e7570d82c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fd93c0f673405a498ac116482c2c262.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
6 . 已知函数
,
.
(1)讨论
的单调性;
(2)若关于
的不等式
在
上恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c207efd83d75c1f69237d97616c726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e5ff2705eb737adef9a6dc70559d79.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8725d1e8588250cb8ed2155a1e362ed7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-04-13更新
|
488次组卷
|
2卷引用:新疆维吾尔自治区乌鲁木齐市新疆生产建设兵团第二中学2022-2023学年高二下学期第二次月考数学试题
名校
解题方法
7 . 已知函数
.
(1)讨论函数
的单调性;
(2)若对任意的
,
恒成立,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e77fb3b218a67bd1fc2d1883f4fba546.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-04-05更新
|
1989次组卷
|
7卷引用:新疆哈密市第八中学2022-2023学年高二下学期期中考试数学试题
名校
解题方法
8 . 已知
,
.
(1)若函数
的图像在
处的切线与直线
垂直,求
;
(2)当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ad5bc5188a9fb2b43d1396b3bb5576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ebb899ee975bbc3f4be387b8914c139.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187c21027ff08411931d32c530b64fd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf73c7f6f8e7ff4c06991b4d6dc0b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a141d9834d3aeec04e8b2fe9195c62.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
9 . 已知
.
(1)求证:当
时,
;
(2)若对于
,
恒成立.
①求
的最大值;
②当
取最大值肘,若函数
,求证:对于
,
,恒有
(
为自然对数的底).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009f8b85632527466dd38980e8d1e280.png)
(1)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc3e321b0932323e063aa03470db808b.png)
(2)若对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e81b4aac721bcd4a49593b48a28a8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c7572463225bb3b65cb371f4496440.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85cce450964526c304b42fcfafa4d2cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3881fa7fc347ccb2d46de69dc041907d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e1b2fc3d27f0953c953a4cbad2c199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcfd1482d3f2e4cc68850497d952e465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
您最近一年使用:0次
2023-03-30更新
|
236次组卷
|
4卷引用:新疆新和县实验中学2023届高三素养调研第一次模拟考试数学(理)试题
名校
10 . 已知函数
.
(1)当
时,求证:
恒成立;
(2)令
,当
时,求函数
在
上的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533b4ff02ad44aa9c955fa103d2fb8a1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd6fc40e24a5f7cb47eb665d07f127bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ac9eb4f13a6ec140f7050e8d7dde52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfe8e7fb253685e0e50bae0c5482314.png)
您最近一年使用:0次
2023-03-14更新
|
263次组卷
|
2卷引用:新疆维吾尔自治区乌鲁木齐市第三十一中学2024届高三上学期10月月考数学试题