名校
1 . 不等式
的解集为
,则函数
的单调递增区间是________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf89627385541ce4c45f7026b456877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24deae5e487d48f53008ebf7fdd9ebcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4fef065ec84f4e7b4034e9e7f3bd61.png)
您最近一年使用:0次
名校
2 . 给出的下列命题:
①已知
,
,
,则
.
②若正数
,
满足
,则
.
③当
时,函数
的零点个数为0个.
④若直线
与函数
,(
且
)的图像有两个公共点,则
的取值范围为
.
其中正确的是______ .(把你认为正确的结论的序号全写上)
①已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116a4f1c8b51d1993e6d7c054e2ed5d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29bfdb5f50c0514b2b7cb83b2c29407b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/952b946898ff8cc8a6b00b19c6abbe6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fbd27b6b4143c730ab9d36393a5fe14.png)
②若正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8e69b580179be4cd530fb1879b494e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d0c36fdc8eb94cc4df50b47979d297.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3e39667944e047592fa84dec4da0d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf7cb1b607211d63def69341ba37412.png)
④若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32fca7406493e4e31c5b8e0c86c60f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10b9a9f9d95cdbd4befab8f75f04b88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
其中正确的是
您最近一年使用:0次
名校
3 . 方程
至少有一个负实根的充要条件是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9080124b199b1e89dc16d0e12af028dd.png)
您最近一年使用:0次
2020-12-31更新
|
433次组卷
|
6卷引用:江苏省南通市启东市汇龙中学2020-2021学年高一上学期第一次质量检测数学试题
江苏省南通市启东市汇龙中学2020-2021学年高一上学期第一次质量检测数学试题湖南省邵阳市邵东市第一中学2022-2023学年高一上学期第一次月考数学试题第一届高一试题(初赛)-“枫叶新希望杯”全国数学大赛真题解析(高中版)甘肃省兰州市西北师范大学附属中学2021-2022学年高一上学期期中数学试题苏教版(2019) 必修第一册 过关检测 第2章 2.2充分条件、必要条件、充要条件(2)(已下线)第二章 常用逻辑用语(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)
名校
4 . 设集合
,若A为单元素集,则实数a的取值范围________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/430035e576e9fe68bf9d5ac70f5e4e5b.png)
您最近一年使用:0次
2020-12-30更新
|
195次组卷
|
2卷引用:上海市第二中学2020-2021学年高一上学期12月月考数学试题
5 . 已知函数
为偶函数,且当
,如果实数
满足
,那么
的取值范围是________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/784706d7b6f10dcf2c40b3da8f846207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdeede6ebce68e86eb364e1d0932a92a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
6 . 已知关于
的方程
有解,则
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2a16df1054c4a9c5e1233e27860cc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
7 . 下列命题正确的序号为________ .
(1)命题“
,
”的否定形式是“
,
”;
(2)若函数
(其中
,且
)的值域为
,则实数
的范围为
;
(3)函数
在
上是减函数,则实数
的取值范围是
;
(4)已知函数
,若
,且
,则
.
(1)命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6db1508887f3b806b772c328ff5ccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd76a22a641b658e968fd5476d3e4ee.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd99515e095fbc23f197bcb539e5904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2397df3279607612ea3cbef101ee0bf3.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8c83f971b8fd5887e6037e43bf44bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
(4)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c37c90828604a835b105538d8895262d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aba934874cc9f2ab272fdff67ea23bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c71152396d26b0c146e6a3c042bbdae9.png)
您最近一年使用:0次
名校
8 . 如图,直线
与双曲线
相交于
,
两点,
轴,
轴,则
面积的最小值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54479885d4ab2f717d2e97718da04b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85410ff00c81839ff9a64bf86dc36f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2455fb53ada309ffe9717d2613a937f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e38ef78ea3387ab9cb35fafbbdea6d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/443b0ce8-8dee-4702-bd30-4f06e4db77f2.png?resizew=181)
您最近一年使用:0次
9 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39858b5229636d5e77649713483a0074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63997a594b26ad668f8629aae28b3486.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
您最近一年使用:0次
解题方法
10 . 已知方程
的根为
,方程
的根为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73eb04de51f08ff5731bbccd2ea537ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189cae0250f3dfc4211e7014b9f4db43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.png)
您最近一年使用:0次