名校
1 . 已知
,
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a5ab2dbc702cc6c93cbfee75f0ba70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a0bedf0b5c0d7443b4ba4d88a4d383.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 |
您最近一年使用:0次
名校
解题方法
2 . 已知定义在
上的奇函数
满足
,且当
时,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2acbfa42cfa5aaa36e0358954f1fe203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5bd51834b1fccde85ce6694c0b2a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28cc4fc3ba046bbe23009a18a0c2af9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1cbd28026950e743e00891a00c5ca90.png)
A.1 | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 已知
均为正实数,函数
.
(1)若
的图象过点
,则
的最小值为______ ;
(2)若
的图象过点
,且
恒成立,则实数
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c934a3408d4197d9b43c8131e037fa.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57f879f6e8df7d5fb261328806260b3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e0ac18a707568998b01e6e2a4f58e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/224c096cec09ea0598e8676ecf618c70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
4 . 若
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c6cac4387b19873a471d02e9d16024.png)
A.零 | B.正数 | C.负数 | D.以上皆有可能 |
您最近一年使用:0次
5 . 已知集合
,定义
,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe7fd9b0c3c203a053a7ea52b71e7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/183f301ccffc7a3966bb90e23d9dadff.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() |
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名校
6 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c74926c2f539695a2c0a460f77b1df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024高三·全国·专题练习
解题方法
7 . 已知函数f(x)=设a=
,则f(f(a))=
您最近一年使用:0次
名校
8 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74e9071664d09fbf2298544b693869ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0632bc67a48ee16de53fe7e19ec3328.png)
A.-1 | B.0 | C.1 | D.2 |
您最近一年使用:0次
2024-03-12更新
|
172次组卷
|
2卷引用:河南省许平汝名校2023-2024学年高一下学期开学考试数学试题
9 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da2edcac4a9cbc5324bbceb939aac2cc.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da2edcac4a9cbc5324bbceb939aac2cc.png)
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名校
10 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536e53fd5a1005f8e71aa317baf75f19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.2 | B.![]() | C.3 | D.4 |
您最近一年使用:0次
2024-02-14更新
|
401次组卷
|
3卷引用:福建省厦门市2023-2024学年高一上学期1月期末质量检测数学试题