1 . 已知
,关于
的一元二次不等式
的解集中有且仅有3个整数,则
的值不可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd10968900343aaaa158451018166fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe5318889c409a850e56a743d550b34e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.13 | B.14 | C.15 | D.16 |
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解题方法
2 . 函数
,若
,则
,
,
的大小关系是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441c9445d7d11925e457209c0273024a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ac161789cda0e6ab9447b4b4815777.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b530377e3fe56b7988935dd73d9dccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74156327e5659301f391814605688899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1a1611f320c0f358df77aaae3f942.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-02-24更新
|
183次组卷
|
2卷引用:江苏省东台市2023-2024学年高一上学期期末考试数学试题
3 . 设集合
,
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dec1bda6c40be6073241dd87c4d204a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821e55ebc9af7df5e62631c06c7c1191.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 已知二次函数
,当
时,
;当
,
.
(1)求
,
的值;
(2)解关于
的不等式:
且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78222043de986bca085f490521326e09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f849096465001a54b6d2243c95263d07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebadf71a3c73c1d82ae821018a7f67c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e627dd89b76b55ea59f5fc9bec5ea13f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebfdecc7f8089cb23c20d0a93ee1b601.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bac106969855ae6ba2136b6ebb66e545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc595f8b5666b09cbf06eb8389064cf.png)
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解题方法
5 . 已知集合
,
.
(1)分别求
,
;
(2)已知
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e5bfcc4038470da4c39b76040b7117f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a501f51d2a90d0e1bece8e0d5dd0590a.png)
(1)分别求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3424350d8da30e32d754750669e0750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e544b1304a6bbc87283cf741f134cebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
6 . 已知集合
,
.
(1)求
;
(2)集合
,若“
”是“
”的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f654c15d5b9e25c79e204dc2929359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5195559ce048a7ef68ebeeb7a497348b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a964b99d839b459f7f14af1d512edcf4.png)
(2)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ea947bc3baa14618c114b23432f6830.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb5935678e432e6f1f3180bfdb3175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
7 . 关于
的不等式
在
上有解,则实数
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c479e88a5fe9d17b511c12c5ebd7d65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589ed49839c4dc0b033431d88a4c1f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-01-18更新
|
1262次组卷
|
3卷引用:江苏省盐城市第一中学2023-2024学年高一上学期期末数学试题
江苏省盐城市第一中学2023-2024学年高一上学期期末数学试题江西省抚州市广昌县第一中学2023-2024学年高一上学期期末数学试题(已下线)第6题 函数性质图象联手,函数不等式对策多(优质好题一题多解)
解题方法
8 . 下列说法正确的序号是( )
A.偶函数![]() ![]() ![]() |
B.一次函数![]() ![]() ![]() ![]() |
C.若不等式![]() ![]() ![]() ![]() |
D.若集合![]() ![]() |
您最近一年使用:0次
解题方法
9 . 设函数
为定义在
上的奇函数,且当
时,
,若
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259c94cc72887ac88aec168055ea9ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9261a105b3c68650f8eb4b85ee9f65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e930f5c445e8fd4fd5c4f07d6b1986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 关于
的不等式组
的整数解的集合为
.
(1)当
时,求集合
;
(2)若集合
,求实数
的取值范围;
(3)若集合A中有2023个元素,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd01c8cbd1652406a7e9ef6e385c860b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/367e788c32187ae2cc97aaa24da1d40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfedff3301c09cac5f040c36e1fe0fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)若集合A中有2023个元素,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次