名校
1 . 已知函数
,
.
(1)求函数
的定义域,判断并证明该函数的单调性;
(2)函数
,若对
,都
,使得
成立,求实数
的取值范围;
(3)函数
,若对
,都存在
,使得
成立,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99eaeb2ab68a49074d623ffca072fed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da4dca84cba2b9ba42de0a54fd3dde4.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc6570333ab37b35226ab3574f9bba6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0bb7bb34b5f4d32fc07b47752fa171d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1276f06af99b4602c0f99ece9c97697c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a86b821f593ab9d43f1f67ffb160c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066e246ae8bffb3e409faed863a40af1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0bb7bb34b5f4d32fc07b47752fa171d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914bdb6c1d82b8982f219a72d470e47a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d968b1d9e98342bf10b32b29dc52fd7.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
2 . 已知函数
是定义在
上的奇函数,且
.
(1)求
的值;
(2)用单调性定义证明:函数
在区间
上单调递增;
(3)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43bbebbda4bd0df064ee854f175776fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b61bb7cb94b4d06f0090df1e365667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90c7f48f5e9fb57aba12c0c997c55eb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)用单调性定义证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b61bb7cb94b4d06f0090df1e365667.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef29cce5cd7226f04c28aec7c088fb93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-07-25更新
|
1585次组卷
|
7卷引用:江苏省常州市前黄高级中学2022-2023学年高一上学期期中数学试题
江苏省常州市前黄高级中学2022-2023学年高一上学期期中数学试题(已下线)3.2 函数的基本性质(AB分层训练)-【冲刺满分】(已下线)模块六 专题3 全真能力模拟1高一上学期期中考前必刷卷01-期中考点大串讲(人教A版2019必修第一册)江苏省苏州市2023-2024学年高一上学期11月期中摸底数学试题福建省武夷山市第一中学2023-2024学年高一(实验班)上学期期中考试数学试题福建省福州日升中学2023-2024学年高一上学期期中考试数学试题
名校
解题方法
3 . 设a,b为实数,定义在R上的函数
为奇函数,且其图象经过点
.
(1)求
的解析式;
(2)用定义证明
为R上的增函数,并求
在
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a14ff78575ff72d20376c17b1a5822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7938936a3bcc6db1dd98b714d8112186.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)用定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fc68350d4a250d83aef73d7e2794816.png)
您最近一年使用:0次
2023-08-08更新
|
511次组卷
|
8卷引用:江苏省常州市教育学会2021-2022学年高一上学期学业水平监测数学试题
4 . 已知函数
.
(1)求证:
是奇函数
(2)若
.求证:
在
上是增函数
(3)当
时,对于
恒成立.求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1371f3e6c7ad311aeaee9619ea88bb67.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b92112b6b831fe057f43a83433e3ac7.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
5 . 已知二次函数
,其中
.
(1)若
且
,
①证明:函数
必有两个不同的零点;
②设函数
在
轴上截得的弦长为
,求
的取值范围;
(2)若
且不等式
的解集为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3eb9b6fe8959ae9e71e857b6d6fed49.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce613eaa5df46a50174085ef5d1087fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
①证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
②设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57458464618fcf619375a93d3c66d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ace3e11fd74831ad829670674bb621.png)
您最近一年使用:0次
2023-08-06更新
|
864次组卷
|
8卷引用:江苏省常州市前黄高级中学2022-2023学年高一上学期学情检测(一)数学试题
名校
解题方法
6 . 已知函数
,
为非零常数.
(1)当
时,试判断函数
的单调性,并用定义证明;
(2)当
时,不等式
对
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6186d1855cbb2b97e873bd7a0c38439a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a915c1a8a9304aeb307d130faaeb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86304c3e26200299a0480641525a283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1858c725f2a36e36bfab4e5952d9100e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29aef458f2367b76432719f6f56275d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-12-09更新
|
376次组卷
|
2卷引用:江苏省常州市十校2022-2023学年高一上学期12月联考数学试题
解题方法
7 . 已知定义在
的函数
下列条件:①对任意的实数
,
恒成立:②当
时,
:③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9da4fdfdddc259dcef9fdd4b826b64.png)
(1)求
的值:
(2)判断
的单调性并给出证明:
(3)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd29ef32d9bc2e32ef2b8639b57dc9a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bea6d14c16f7c06e4e028f36131360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9da4fdfdddc259dcef9fdd4b826b64.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fef5f357f94e1e162cc47a99f9ab1e.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdd840f967a5760df51b7cf4a7fe509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
8 . 记函数
(
).
(1)判断并证明
的奇偶性;
(2)证明:当
时,
在
上单调递增;
(3)当
时,关于x的方程
有解,求b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc46c57835e7320b5e3aba9fbf6c5bcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a40142c84be68ee2918c3a8303388c.png)
(1)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebef85c05f6d84ceb67d92abf77ba2c6.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ace630100e64ed290d82936ad249c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c0b84ffc1b393e0ef2fcbf2617ab458.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d54c4b221189c5a9f5a4a98a557bbda5.png)
您最近一年使用:0次
名校
解题方法
9 . 若函数
是定义在
上的奇函数.
(1)求函数
的解析式;
(2)用定义证明:函数
在
上是递减函数;
(3)若
,求实数t的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56539b96a1411f17c901df0d382a6d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)用定义证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7b89bc5e734f5d708424c53d4683ee.png)
您最近一年使用:0次
2022-11-18更新
|
577次组卷
|
3卷引用:江苏省常州市金坛区2022-2023学年高一上学期期中数学试题
名校
解题方法
10 . 已知函数
为奇函数.
(1)当
时,判断
的单调性并证明;
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3b86a49210e0fc4c5f51c9c20654c1b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8c164755dc2d7cff80fb4c9cffc9be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c94fec682101435a0dea60d257bd33f.png)
您最近一年使用:0次
2022-11-17更新
|
256次组卷
|
2卷引用:江苏省常州市奔牛高级中学等四校2023-2024学年高一上学期期中质量调研数学试题