解题方法
1 . 已知函数
,
且
,若对任意的
,存在
,使得
成立,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368b68dca4c8834b41998f36b7a34756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e29f31c680c642741f94b7724e61c4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a69bba3f36fe0f0e28725a7af1f239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ab682239a56af18a7c79c0d1d3dd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c325eb8d56efe097f20d20c9489a5df.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
.
(1)判断
的奇偶性;
(2)已知
,都有
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a9f94b662bdf7ffe6c4c89c533a383d.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6088ae5c2becb542bbbc5512dfb971b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f91e8c9bb0338519379230cc91198721.png)
您最近一年使用:0次
2024-01-24更新
|
337次组卷
|
4卷引用:湖南省株洲市第二中学2021-2022学年高一上学期第三次月考数学试卷
名校
3 . 已知实数a,b,满足
恒成立,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61bc428c61a2b7aa70cf279f53fec704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
A.2 | B.0 | C.1 | D.4 |
您最近一年使用:0次
2024-01-13更新
|
238次组卷
|
3卷引用:湖南省长沙市湖南师范大学附属中学2023-2024学年高一下学期入学考试数学试卷
名校
解题方法
4 . 如果函数
满足以下两个条件,我们就称
为
型函数.
①对任意的
,总有
;
② 当
时,总有
成立.
(1)记
,求证:
为
型函数;
(2)设
,记
,若
是
型函数,求
的取值范围;
(3)是否存在
型函数
满足:对于任意的
,都存在
,使得等式
成立?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
①对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
② 当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfdccde6a17dc78bec232630577f99d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d5873aa225a83805e1072ef8119b7a.png)
(1)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc540d6c4de05039557cdfe8c78ceeec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19339e3904e9541ff26b30ae5f1242b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e54428f4829c8061f79df9f492305c3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/951b05c96af4f7704de24ac541b3f172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efb679de6747c1a9147225d7b61c436f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe0c952b97016a6816cfca66e024ef4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acdc6e6a0e6584bea7deb91b0841fa28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe8e17429b079c4965fae3bef4e6b25.png)
您最近一年使用:0次
2024-01-10更新
|
420次组卷
|
2卷引用:湖南省长沙市雅礼中学2023-2024学年高一下学期第一次月考(4月)数学试题
名校
解题方法
5 . 以下命题正确的是( )
A.设![]() ![]() ![]() ![]() ![]() ![]() |
B.若对任意![]() ![]() ![]() ![]() ![]() ![]() |
C.已知![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.已知函数![]() ![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-01-10更新
|
583次组卷
|
3卷引用:湖南省师范大学附属中学2023-2024学年高三月考(六)数学试题
名校
解题方法
6 . 设函数
,
,
.
(1)求函数
在
上的单调区间;
(2)若
,
,使
成立,求实数a的取值范围;
(3)求证:函数
在
上有且只有一个零点
,并求
(
表示不超过x的最大整数,如
,
).
参考数据:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89231f0078f75ad0193f9aec97b9286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9f049a5f960728c60a909821b2404b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa3e40a1b375c50331403283bfd7139b.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0167434c2c1a16e59e89d436ac0a1278.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69fc78bba43797d2f81cb912f2d05c93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac0afd127806b03435a649606544fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe53bb5e833f83c2d8290d195fabf02b.png)
(3)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b5e51f08fcfaa95b58f3a14c8250a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41667e2986ec718cabeeb1088794ed67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04309e875209bde5b87438535ea3b1cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/977353e0326dc27334a2940f1149e973.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dad09268b7cb8bfcbea010cb6d2a29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e143d31a5ae4d2fb8cba2466bae1fe54.png)
您最近一年使用:0次
2024-01-06更新
|
657次组卷
|
6卷引用:湖南省长沙市第一中学2023-2024学年高一下学期第一次阶段性检测(月考)数学试题
2024·全国·模拟预测
名校
解题方法
7 . 已知定义在R上的增函数
满足对任意的
,
都有
,且
,函数
满足
,
,且当
时
.若
在
上取得最大值的x值依次为
,
,…,
,取得最小值的x值依次为
,
,…,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed4b962f894789f6f2425808bc0207b.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33890c6b0bf167514d44139d9dca0154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814445ae55e7426277e0f6888603ab34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef42db116c9e6d3e7bd43bf480f8e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c256edc75e653bce920838774ec2099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7dc1e8a59289716cac8383fc061998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/132d41feaf28a5d96470d23780262b25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b18b60da4af2587479cc7e6d26cbfeb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec0ef4d624a3e7b2c420af3365009951.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/596afe6f8149e39c53d36a759bee6151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770cf3716f1e9dc8023a898df7f33783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177e54e8deea5da9dc6bc82eb3de0c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f4f8bdb238c2f177e2a41172765b82a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed4b962f894789f6f2425808bc0207b.png)
您最近一年使用:0次
2024-01-05更新
|
1289次组卷
|
5卷引用:湖南省岳阳市第一中学2023-2024学年高三下学期开学考试数学试题
湖南省岳阳市第一中学2023-2024学年高三下学期开学考试数学试题湖南省衡阳市第八中学2024届高三下学期高考适应性练习(一)数学试题(已下线)2024年普通高等学校招生全国统一考试数学文科预测卷(二)江西省南昌市第二中学2024届高三“九省联考”考后适应性测试数学试题(一)(已下线)专题4 抽象函数问题(过关集训)(压轴题大全)
名校
8 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0098955a331f9f7550fabd63c818a9a.png)
(1)当
是奇函数时,解决以下两个问题:
①求k的值;
②若关于x的不等式
对任意
恒成立,求实数m的取值范围;
(2)当
是偶函数时,设
,那么当n为何值时,函数
有零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0098955a331f9f7550fabd63c818a9a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
①求k的值;
②若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd47cc4fc009bda52a56b0a74db3b3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3368388525e30cb7179909b03184eb.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43049e7a019652c5c85b01bc0011032f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ca992b5b470255a859aa8aa24cd785.png)
您最近一年使用:0次
2023-12-27更新
|
666次组卷
|
4卷引用:湖南省衡阳市第八中学、衡阳市第二十六中学等学校2023-2024学年高一上学期期末联考数学试题
名校
9 . 定义在
上的奇函数
,已知当
时,
.
(1)求
的值;
(2)若
使不等式
成立,求实数m的取值范围;
(3)设
,若
有三个不同的实数解,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b5fee94815327a0e7fb0f4b543b1f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b93f55fa19a01c3819b3018735d0abe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8377b845162ba355d75c272cad03353.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677a3cf7614c0f7a9b899aaaaf29bf65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c975bf71284099cf63e1469333db70d.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f6f5bfede1176c3e649d08e80f5b19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a30a35245efdf5785e70ed0f9bdc4726.png)
您最近一年使用:0次
2023-12-23更新
|
510次组卷
|
4卷引用:湖南省常德市汉寿县第一中学2023-2024学年高一上学期期末数学试题
湖南省常德市汉寿县第一中学2023-2024学年高一上学期期末数学试题吉林省吉林市第一中学2022-2023学年高一(平行班)上学期期末测试数学试题山东省临沂市第十八中学2023-2024学年高一上学期期末模拟数学试题(三)(已下线)高一数学开学摸底考01-新高考地区开学摸底考试卷
名校
解题方法
10 . 若定义运算
则函数
的值域是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c5bf555ecd036d3843f5b07aebe01d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075b52e928d0e663f2bdab8e915437ed.png)
您最近一年使用:0次
2023-12-22更新
|
154次组卷
|
5卷引用:湖南省名校2023-2024学年高一上学期12月联考数学试题