1 . 满足下面两个条件的整数
的所有取值之和为( )
①关于
的不等式组
的解集为
;
②关于
,
的二元一次方程组
有正整数解(
,
均为正整数).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
①关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8133647936517c331afa76f2405ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
②关于
![](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/d321103b24a6e7175d37441d0c6aeb8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
A.9 | B.8 | C.7 | D.6 |
您最近一年使用:0次
2 . 已知实数a为常数,且
,
,函数
.甲同学:
的解集为
;乙同学:
的解集为
;丙同学:
的极值为负数.在这三个同学中,只有一个同学的论述是错误的,则a的范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd594e99f82b7736c44e18b2721e607f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3abfa7f173dc46ec1c5f054547333563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6d8d3a028094e677b6a48855a93d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6d8d3a028094e677b6a48855a93d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023高三上·全国·专题练习
3 . 下列结论正确的是( )
A.东南方向与南偏东![]() |
B.若![]() ![]() ![]() ![]() |
C.从![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.俯角是铅垂线与目标视线所成的角,其范围为![]() |
您最近一年使用:0次
23-24高三上·全国·阶段练习
名校
4 . 已知函数
的定义域为R,且满足
,
,
,
,
,给出下列结论:
①
,
;
②
;
③当
时,
的解集为
;
④若函数
的图象与直线
在y轴右侧有3个交点,则实数m的取值范围是
.
其中正确结论的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cef289c2d96eec1506c4b9e73959777.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31acd41fe30b9063846f76788d66f5c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ed85d47b4f488a9b5e211938cc5424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcfec416d608dc2f1ab2434f78681f6e.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce4430b8b9b0c78de693513a7f88915.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4770abbde4102605920fefe983535ae.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da8c83a3fe915ad2667ca6e552d1bbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dab7a79d5df30d162e88a99bd69cd7c.png)
④若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b48b700e42d57d16cbf3a5f2ab847e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5ef4ae8ec1c285a5761ce8253b24cbb.png)
其中正确结论的个数为( )
A.4 | B.3 | C.2 | D.1 |
您最近一年使用:0次
2023-01-15更新
|
253次组卷
|
3卷引用:2023年高三1月大联考(全国乙卷)理科数学试题
(已下线)2023年高三1月大联考(全国乙卷)理科数学试题四川省内江市威远中学校2022-2023学年高三下学期第一次月考数学(理)试题四川省内江市威远中学校2022-2023学年高三下学期第一次月考数学(文)试题
解题方法
5 . 下列命题中正确的个数是( )
①函数
既是奇函数,又是R上的增函数
②不等式
的解集为R,则实数
的取值范围为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a2b13d4eb8aaff7042dd6c54469f45.png)
③
的定义域为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20e3cefebfef1b8c91ad2e9ede5c195e.png)
④若
为偶函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8184d4f959385db2231b2cc35606e1.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc0b1b3ff7b701b30cef0ac691448c96.png)
②不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9666d177284abf2e54135a40ec0e823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a2b13d4eb8aaff7042dd6c54469f45.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6f77058ce9029f6845c882dc0e6a8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20e3cefebfef1b8c91ad2e9ede5c195e.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750620faa69d866ed75eeab194f0218d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8184d4f959385db2231b2cc35606e1.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
名校
解题方法
6 . 定义:设不等式F(x)<0的解集为M,若M中只有唯一整数,则称M是最优解.若关于x的不等式
有最优解,则实数m的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb7bfc489f066e117808bfe7c9f8e413.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2021-12-17更新
|
1424次组卷
|
4卷引用:第八章 函数应用(选拔卷)-【单元测试】2021-2022学年高一数学尖子生选拔卷(苏教版2019必修第一册)