真题
1 . 在
平面上有一点列
,对每个自然数
,点
位于函数
的图象上,且点
,点
与点
构成一个以
为顶点的等腰三角形.
(1)求点
的纵坐标
的表达式;
(2)若对每个自然数
,以
,
,
为边长能构成一个三角形,求
取值范围;
(3)设
,若
取(2)中确定的范围内的最小整数,求数列
前多少项的和最大?试说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba46d196fdd451c9be9a0839ee65320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cff09ae08c9412afc2940861a552738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae3a88c614758672f5d2f2149236476.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9264ace0f81ad6261b83c6777722ffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
(2)若对每个自然数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95931effbd59c43e8ed1ea09962b84f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a61a13583a33aea4b957969b35f858f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0915838d1d1adf85df96617ce5eb8f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e73c9784b04f13eef294b998f4d6d00f.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14018b66085e39747eaa90ab76dec64a.png)
(1)求
;
(2)若函数
的图象与直线
有公共点,求a的取值范围;
(3)若函数
,是否存在m,使
为负数,若存在,求出m的范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a05645fb41182f3e4653fdbef455fc28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14018b66085e39747eaa90ab76dec64a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c80d4b4b0ab2b8aca516afb05634ae.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a16a128d07b4d4232f79d013c14ad2.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f23639fe730561d64f6ea61a505cd36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
,(
且
)
(1)当
,求
的值;
(2)当
时,若方程
在
上有解,求实数
的取值范围.
(3)若
在
上恒成立,求实数
的值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ada988e53ace2c6922a848668431c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1a1611f320c0f358df77aaae3f942.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4161ce5a0d90ab0ca283ac315c54db80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cceff0e7d103475c3ba9a2712f373185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e799e937076aa5a7dcd51cdc0f40f6b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b07343c41c1757415c8877c1e83a34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-11-13更新
|
1400次组卷
|
6卷引用:广东省广州市仲元中学2020-2021学年高一上学期期末数学试题
广东省广州市仲元中学2020-2021学年高一上学期期末数学试题(已下线)专题10.1 期末押题检测卷1(考试范围:必修第一册)(易)-【满分计划】2021-2022学年高一数学阶段性复习测试卷(苏教版2019必修第一册)(已下线)专题6.3 幂函数、指数函数和对数函数 章末检测3(难)-【满分计划】2021-2022学年高一数学阶段性复习测试卷(苏教版2019必修第一册)(已下线)专题08 对数函数-2021-2022学年高一《新题速递·数学》(人教A版2019)广东省江门市2021-2022学年高一上学期期末(一)数学试题广东省广州南方学院番禺附属中学2023-2024学年高一上学期12月月考数学试题
名校
解题方法
4 . 设函数
是定义在
上的函数,并且满足下面三个条件:①对正数
,
都有
;②当
时,
;③
.则下列说法不正确的是( )
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/1e4ae31cf7c872f16496cfb1eec47739.png)
A.![]() |
B.![]() |
C.不等式![]() ![]() |
D.若关于x的不等式![]() ![]() ![]() |
您最近一年使用:0次
2023-06-19更新
|
850次组卷
|
7卷引用:广西壮族自治区防城港市2022-2023学年高一下学期4月期中数学试题
广西壮族自治区防城港市2022-2023学年高一下学期4月期中数学试题(已下线)3.2.1 函数的单调性(精练)-《一隅三反》(已下线)第08讲 第三章 函数的概念与性质 章节能力验收测评卷-【帮课堂】江西省宜春市丰城市第九中学2024届高三上学期开学考试数学试题(已下线)3.1.2 函数的单调性(第1课时)(分层练习)-高一数学同步精品课堂(人教B版2019必修第一册)广东省深圳市福田区红岭中学2023-2024学年高一上学期第一学段考试数学试题(已下线)模块二 专题1《对数函数及其应用》单元检测篇 B提升卷 (人教A)
名校
解题方法
5 . 下列结论中正确的是( )
A.若函数![]() ![]() ![]() |
B.![]() ![]() ![]() |
C.设![]() ![]() ![]() ![]() ![]() |
D.若函数![]() ![]() ![]() ![]() |
您最近一年使用:0次
6 . 已知
为偶函数,当
时,
,当
时满足:
.
(1)当
时,求
的值;
(2)当
时,求不等式
在区间
上的解集;
(3)若方程
在区间
上有4个不相等实根,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1af83405d0098ee50062e0cedc40e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18fd81188f6c72c6b51d5389b4dfa760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27f27cbb8185c1974d715ff95f8801c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb536960b69eacdf89bb19f5b92f26c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc5119887c500b60dd3f3975068a363.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/216b2ac83536d8918132ecaf84ba3122.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e91676c7adfd65a76f56a0c1d4bbe0.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907e4ba6d5f2eea68442def1911957fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bfd9559908af400141a1fd487015a60.png)
您最近一年使用:0次
名校
7 . 若
,其中
是常数
(1)求
的值;.
(2)方程
的两根异号, 求实数
的取值范围;
(3)当
时, 求出不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ebea9f1c0b1d659ba2db2ca704d1ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7dc9bc7c3cf1644600449c8547b36b.png)
(2)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047d4ab078dafc06c047bcbf0a6ffaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15a13b4190ac3d5feaee27a4c97b21b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e2e80d00471ac8f3e82eef3e462317.png)
您最近一年使用:0次
2022-03-28更新
|
856次组卷
|
5卷引用:广东省汕头市金山中学2021-2022学年高一上学期期中数学试题
广东省汕头市金山中学2021-2022学年高一上学期期中数学试题陕西省咸阳市武功县普集高中2022届高三宏志班下学期3月月考理科数学试题河南省开封市五县部分校2021-2022学年高二下学期期中考试数学(文)试题(已下线)专题06 函数的概念(已下线)专题06 函数的概念-4
名校
8 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若
,且关于x的不等式
的解集包含
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b97a895d594c8c58d9bd26be7e01188.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/309c99d0acad93706ab168d1f9c584bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27487e41215bc3e3ae9a2a507114e1d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4c78214e43a8b93f2a57072033cbcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b0ac6b4f9198b5da88ed10ef875e369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de71d25c72850e383a4c841eed0db99.png)
您最近一年使用:0次
2021-12-09更新
|
365次组卷
|
3卷引用:湖南省郴州市嘉禾县第一中学2020-2021学年高一上学期第三次月考数学试题
名校
解题方法
9 . 已知函数
是定义在R上的增函数,且满足
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6855784817151468771f29c0fc38fc9.png)
(1)求
的值
(2)求不等式
的解集.
(3)当
时,
恒成立,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d742d95248b0405a80193874215697f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6855784817151468771f29c0fc38fc9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8edf14536f56ea00b9d1ecdf101951e.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b552cd14f7fde45465df2c08c45aa09.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0935b0d5568370418871fa7a6c47162d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3b73f9f448e0d412616dd7f68081f45.png)
您最近一年使用:0次