解题方法
1 . 若集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553b0b1801620d779137427f2afd92ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d93354567c311cde284857059a254b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 已知集合
.
(1)求
;
(2)若集合
,且“
”是“
”的必要不充分条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2fde316339c903800b23e09c96de18.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0ed6bc0f0f988d253c5783d814b203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb5935678e432e6f1f3180bfdb3175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
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3 . “
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec0345ad2eb83035986f0ad4d3abaa44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4694ea6cbe2400fa9693aabada9a42bf.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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解题方法
4 . 已知函数
.
(1)求不等式
的解集;
(2)若对于
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeafd95bddad3cc3148adc5481c989fa.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e799c1971ec9b387e94d04fad4230e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-02-17更新
|
445次组卷
|
3卷引用:青海省西宁市大通县2023-2024学年高一上学期期末考试数学试题
解题方法
5 . 已知集合
,集合
.
(1)当
时,求
;
(2)请在下面两个条件中任选一个,作为已知条件,求实数k的取值范围(全选按照第一个给分)
条件:①“
”是“
”的充分条件;②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e1f672175b7080c6556b322080ce3a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086fef7b1cb105133b775395e8f97f42.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)请在下面两个条件中任选一个,作为已知条件,求实数k的取值范围(全选按照第一个给分)
条件:①“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a9afa6ca3c54f758947c5ece1a2e71b.png)
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解题方法
6 . 已知函数
的定义域为R,对任意
,都有
,当
时,
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533aa2b33c4100811d751c5c134682db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6be4ab7d32ed15c176c550d8543ab369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324286813887f7274192afcc3ab5a896.png)
A.![]() ![]() |
B.当![]() ![]() |
C.![]() |
D.若![]() ![]() ![]() |
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解题方法
7 . 已知
,若关于
的不等式
只有一个整数解,则
的可能取值有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232d1ce3ad14256b1543e6007ff1675d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bad13d0acdfbb63075341df1681d5752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.1 | C.2 | D.3 |
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解题方法
8 . 已知
,函数
,
.
(1)若
,求不等式
的解集;
(2)求不等式
的解集;
(3)
,不等式
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4c2b0201b18fbbb50134b9ff82ea3a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d88ea6cecc9808b853044e6d76884da.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbed2a8ef0c8d7fe01d5f56d61704cba.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa2d8a9433fdf12e45c6056c4c464962.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/191e3c845e90f229f3c992aff85b92db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
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9 . 已知集合
,
.
(1)若
,求
;
(2)若“
”是“
”的充分条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dc60dac5c008368c97befeef85a0f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3564b7672832c74f569545ea5e5f66a8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
10 . 已知函数
.
(1)求
的最小值;
(2)若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5bc4b15a0cdfe7d6917cc71d031d5a2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bceb3ab98fae15e508a92b67a06ff95c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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