名校
1 . 定义在
上的函数
,如果满足:对任意
,存在常数
,都有
成立,则称
是
上的有界函数,其中
称为函数
的一个上界,已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ac3d98e6173c9e07b7e4b94cf33f51.png)
(1)若函数
为奇函数,求实数
的值;
(2)在(1)的条件下,求函数
在区间
上的所有上界构成的集合;
(3)若函数
在
上是以
为上界的有界函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/791e0a33ac5593e2ac213d1220595c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aea232de27d21a2646fd4520ea0726bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e9307c6c6996f0181a49ea304c3fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ac3d98e6173c9e07b7e4b94cf33f51.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)在(1)的条件下,求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c1e1d4653dff1053a448f62278b5b0.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70fcba4b3d6737217487b9907066de4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-02-02更新
|
1826次组卷
|
15卷引用:【全国百强校】湖南省长沙市雨花区雅礼中学2018-2019学年高一(上)期中数学试题
【全国百强校】湖南省长沙市雨花区雅礼中学2018-2019学年高一(上)期中数学试题湖南省怀化市2018-2019学年高一上学期期末考试数学试题2015-2016学年江西省上高县二中高一上学期期末数学试卷2015-2016学年江西省高安二中高一上学期期末数学试卷山西大学附中2019-2020学年高一上学期12月月考数学试题福建省福州市第一中学2019-2020学年高一在线自测自评质检数学试题浙江省温州市瑞安市上海新纪元高级中学2019-2020学年高一(内部)下学期期末数学(2)试题湖南省衡阳市第一中学2022-2023学年高一上学期第三次月考数学试题江西省南昌市八一中学、洪都中学等七校2020-2021学年高一上学期期末联考数学试题江西省南昌市八一中学2020-2021学年高一上学期期末测试卷数学试题(已下线)综合测试复习卷(提升优化一)-2021-2022学年高一数学同步精品课堂讲+例+测(苏教版2019必修第一册)浙江省台州市天台中学2021-2022学年高二上学期返校考试数学试题湖北省部分省示范高中(武汉市第十四中学等)2021-2022学年高一上学期期末数学试题(已下线)专题4.11 指数函数、对数函数的综合应用大题专项训练(30道)-2021-2022学年高一数学举一反三系列(人教A版2019必修第一册)重庆市第八中学校2023-2024学年高一下学期阶段测试数学试题
2 . 在平面直角坐标系
中,椭圆
:
的上顶点为
,左、右焦点分别为
,
,直线
的斜率为
,点
,
在椭圆
上,其中
是椭圆上一动点,
点坐标为
.
(1)求椭圆
的标准方程;
(2)作直线
与
轴垂直,交椭圆于
,
两点(
,
两点均不与
点重合),直线
,
与
轴分别交于点
,
,试求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47153fdd73c0661fa460130082e30929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bd5f27c5f8a8cda3403c73108dfd30c.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)作直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d58f9019097bd05037aefd5c322916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65bb1c5af4c7a9376882867e07690b18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5784acc1b6ce159c1193b1581eead14.png)
您最近一年使用:0次
3 . 已知函数
.
(1)若曲线
在点
处的切线与直线
平行,求
的值;
(2)在(1)条件下,求函数
的单调区间和极值;
(3)当
,且
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f84f2a856671243e5620b3e72ee7f2.png)
(1)若曲线
![](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/baabfd32465e9e50409413d9c1358279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)在(1)条件下,求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66d61d5f66d68b4c4a2a25fd7103621.png)
您最近一年使用:0次
2019-12-30更新
|
384次组卷
|
2卷引用:湖南省郴州市湘南中学2019-2020学年高三上学期期中考试数学(文)试题
4 . 已知函数
.
(1)作出函数
的图象;
(2)求函数
的单调区间,并指出其单调性;
(3)求
(
)的解的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ff1b22a5530e6692ea856d5ce9274a.png)
(1)作出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb2e46f49adba6036e2624639a1b966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
您最近一年使用:0次
5 . 已知定义域为
的函数
是奇函数.
(1)求
的值;
(2)判断
的单调性,并证明;
(3)若对任意的
,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c3092cea250b53e0bad6481ae8abfa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf0d7124fc0f913ff568290cf179077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
解题方法
6 . 如果函数
的定义域为
,对于定义域内的任意
存在实数
使得
成立,则称此函数具有“
性质”.
(1)判断函数
是否具有“
性质”,若具有“
性质”,写出所有
的值;若不具有“
性质”,请说明理由.
(2)设函数
具有“
性质”,且当
时,
,求当
时函数
的解析式;若
与![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cca39b30b0b8e769293e13546b91f35.png)
交点个数为1001个,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fa3b92df8c75839b421bd3f9c974f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e91a18862bb48be69b5b72d2125d358a.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e91a18862bb48be69b5b72d2125d358a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e91a18862bb48be69b5b72d2125d358a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e91a18862bb48be69b5b72d2125d358a.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc6e69ad1a27916fb5c3d5901ded134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86c2570913b742194ae5cbb698d37d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06ba630c1ea702753cb6bbc8099aafd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00b96007d1cc4e155fde29767203b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc6e69ad1a27916fb5c3d5901ded134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cca39b30b0b8e769293e13546b91f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f79b8690c922e042e422cda331fbdfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
7 . 定义在R上的函数
,当
时,
,且对任意的
有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db7387dec34f24cacb1cd95c433e8a4.png)
(1)求
的值
(2)求证:对任意的
,恒有
;
(3)若
在R上恒成立,求k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5fcbf5e34968e335b1b3e569d489245.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be1d8c6384d7fabddb693b2b7fcdf4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db7387dec34f24cacb1cd95c433e8a4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
(2)求证:对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20576efd94a818f5ba143013f73fe02.png)
您最近一年使用:0次
名校
8 . 在锐角△ABC中,
分别为A、B、C所对的边,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba4f341a8ff41db3a4ed04e968e0fce.png)
(1)确定角C的大小;
(2)若c=
,求△ABC周长的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba4f341a8ff41db3a4ed04e968e0fce.png)
(1)确定角C的大小;
(2)若c=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
您最近一年使用:0次
2019-10-02更新
|
1543次组卷
|
4卷引用:湖南省益阳市资阳区第六中学2019-2020学年高二上学期期中数学试题
名校
解题方法
9 . 已知函数
,
.
(1)设函数
,讨论函数
在区间
内的零点个数;
(2)若对任意
,总存在
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34bea6daf5af933f063a2847f1175c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38677fadd505f1f52a11b678002788ce.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09f863c077cc6f1aa3de4ef37d09005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365114c53aa12abda1004c8e4cb4ca0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ae67abf7472261475250220905c97c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3c8aec1ddaced9657d348559b5fcde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
10 . 设函数
,已知对任意
,都有
,且
成立.令
,其中
为常数.
(1)当
时,求函数
的所有零点;
(2)当
时,求函数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adb3e04e695d63dc8527b16edd99c3ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6092d598715abf932efea5f5835b410a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acb74208dcbe73fd8cbd89bf86bd69c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc420f719612a6d836609cea51649d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500d68f2678989a5ce7431cfd51b019d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次