名校
1 . (1)已知
,求证:
.
(2)已知
,求代数式
和
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b475d2d7a23e2b4250858c1b4e59f5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2665c873730c8019c5c7e9b6d626502c.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0267fea1846e70433c58045ecff7b953.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48716231946083664a565915a471e3b5.png)
您最近一年使用:0次
2023-02-10更新
|
1247次组卷
|
5卷引用:第06讲 等式性质与不等式性质-【暑假自学课】(人教A版2019必修第一册)
(已下线)第06讲 等式性质与不等式性质-【暑假自学课】(人教A版2019必修第一册)江西省九江市德安县第一中学2022-2023学年高一下学期5月期中考试数学试题广东省广州市二中2023-2024学年高一上学期10月月考数学试题(已下线)模块一 专题2 一元二次函数、方程和不等式1(人教A)广东省佛山市南海区南执高级中学2022-2023学年高一上学期第一次段测数学试题
2 . 已知实数a,b,c满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0cee165c7a747253e69ab1a6e6a7076.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
3 . 对于实数a、b、c,有下列命题:
①若a>b,则
;
②若a>b,则
;
③若a<b<0,则
;
④若a<b<0,则
;
⑤若a<b<0,则
;
⑥若
,则ac<bd.
其中,假命题的序号为______ .(写出所有满足要求的命题序号)
①若a>b,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c22b9d08cf536bbb76bce1b0f135772.png)
②若a>b,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13b34c99b942b8dd2cbd88ed017de36.png)
③若a<b<0,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2ca67148f90890830b769c6a92c0be.png)
④若a<b<0,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb54b1b3617ebc502cb44194cbcd1dc.png)
⑤若a<b<0,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca37933cf74f93e7748dfd060b12127.png)
⑥若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1eec562988a406604d6f42e4d2b8f19.png)
其中,假命题的序号为
您最近一年使用:0次
名校
4 . 已知
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e46b4c7585238f53d85f5a96d35d95af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d140b958dca1d6c4870cdfbd9ca523e7.png)
A.![]() ![]() | B.![]() ![]() |
C.ab的取值范围为![]() | D.![]() ![]() |
您最近一年使用:0次
2023-01-12更新
|
1261次组卷
|
9卷引用:广东省佛山市2022-2023学年高一上学期期末数学试题
广东省佛山市2022-2023学年高一上学期期末数学试题(已下线)第06讲 等式性质与不等式性质-【暑假自学课】(人教A版2019必修第一册)(已下线)3.1 不等式的基本性质(2)-【帮课堂】(苏教版2019必修第一册)(已下线)专题02 不等式性质比大小和求最值范围 (2)(已下线)专题03 不等式-期中考点大串讲(苏教版2019必修第一册)(已下线)期中考前必刷卷01-期中考点大串讲(苏教版2019必修第一册)福建省南安市侨光中学2023-2024学年高一上学期第1次阶段考试(11月)数学试题广东省佛山市顺德区元培实验中学2023-2024学年高一上学期第一次统测数学试题云南省昆明市第五中学2023届高三上学期省测模拟数学试题(B卷)
5 . 下列不等式中,不成立的是______ .(填序号)
①若
,则
;②若
,则
;③若
,则
;
④若
,则
;⑤若
,若
;⑥若
,则
;
⑦若
,
,则
;⑧若
,
,则
.
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c22b9d08cf536bbb76bce1b0f135772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c22b9d08cf536bbb76bce1b0f135772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26f7c54faca6eac8af5309942062058d.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67a44d971fdc197191b4a7c2b3716e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26f7c54faca6eac8af5309942062058d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb56a9e042c345efb64b91da18ac4343.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb54b1b3617ebc502cb44194cbcd1dc.png)
⑦若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663408ffd10ad082002513bd472118c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0dfded1758cbd9a49da73deaa741609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44cbc322861846709c08c7f1da746848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4e316c2fc9b4184fa16aa8a37903c7d.png)
您最近一年使用:0次
解题方法
6 . 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f21fba7630a6ec84605934d77a203607.png)
______ 0.(填“
”、“
”或“
”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cec12441802f71e803efaf2c62ee588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f21fba7630a6ec84605934d77a203607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392cdb9d30684cce244bef94b8d861b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7942da6c3fc4005256fb1458557c0.png)
您最近一年使用:0次
解题方法
7 . 已知函数
,
的表达式分别为
,
,
.
(1)证明:函数
在区间
上是严格增函数;
(2)求函数
的最小值及相应
的取值集合;
(3)若函数
,
且
对一切
恒成立,则称
的图像在
的图像的上方.求证:当
时,
的图像在
的图像的上方.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f46f632f2a710b3617f69c3d31ba00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cac43c22b4da6e232f4891d71f0bbb5.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d133cf04971ea0116f2f54982f4e92b.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83f3574c440135b1e8d33f9662e7e883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b197c6e77b06afde23727f9f498e9ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2183ba00d69af06d9a950469b38cfe4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6442958bd5b5f8ac690b33ea0bccdd0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
解题方法
8 . (1)已知
,比较
与
的大小.
(2)已知
,比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b21b92535e432f4585a5476df35420a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c685cbbcbe4ae55371f1867e0c8d20f7.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccaa6e503b61e9ae78d8439cba2e328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2c82aa40a712f2ef6fda7eaeb88a48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dd35e633887f5205a199b90e109b930.png)
您最近一年使用:0次
9 . 若a和b是任意非零实数,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2add5631b7b572354fa4aa51930dbc29.png)
您最近一年使用:0次
解题方法
10 . 若
,则
与
的大小关系为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314edfbaea8a095e931328cdcb6aa239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cccb978fda28dd472f178d40affc74f.png)
您最近一年使用:0次