1 . 若函数
有
个不同的零点
,则
.已知
,存在实数
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efa8fd3cee77a050571cde1f98695051.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6929d693c7669fedd49ef8dfcefa5f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54d0f17d3997cb3cbdc15d7725c7bd71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308a91e53a0d9e5e3bf93228e35b9ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378e91eb422a1b6f25ff7af35ec47941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7245a7c5ad26216cd604641f99d92de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8255d540afdd24f608ab7ec231cff469.png)
A.8 | B.-8 | C.16 | D.与实数![]() |
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解题方法
2 . 已知定义域为
的函数
,满足
,且
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2505bf49deefcd20c06fc9059b64a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8718f486c48b09ffd904ddbf1dc7037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09cc2d590d74ecaf47de3b501f355ff9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
3 . 对任意
,不等式
恒成立,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d31be7b35955d4f0ab4cab80bec7edd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
4 . 已知函数
为偶函数,当
时,
,且
,则实数a的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e0248d29f03e759f957da3012162cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f247866d4020ed309d4e4d121ce445.png)
A.1 | B.10 | C.100 | D.1000 |
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5 . 已知集合
,若
为单元素集,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e14262523b5b8c8fd47d05cb9c768cb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
6 . 设函数
的定义域为
,对于任意给定的正数
,定义函数
,则称
为
的“卫界函数”,若函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78d1d380e5245af71ca0ff0365b409cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2946a7534efd9f82acabe2bf7cc12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7c7debdf9905b44ff41d808a09d1ff.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.函数![]() |
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解题方法
7 . 若函数
有2个零点,则m的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94dadacc20558af802e1f7a204b6d05.png)
您最近一年使用:0次
2024-06-01更新
|
570次组卷
|
2卷引用:上海市金山中学2023-2024学年高一下学期5月月考试卷
名校
解题方法
8 . 已知
,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba80300b92a6f2397f2f1a0cf01eb12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d6bd1bab39cfe7b068ac9c75318723b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
9 . 已知
是定义在
上的函数,
,若对
有
,
成立,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed670b1f668778c6243f3f7470ee7d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff5474708041244835175778925a7ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14cfc18fc7f69941839a96da19a5eb34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c27276ab85890b48041da7dd8a33a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833eac97f0f8860e8249e14b7660dc5c.png)
A.72 | B.75 | C.77 | D.80 |
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10 . 函数
的定义域为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ecef0c44442cd87afa04bdba07c6fd6.png)
A.{![]() ![]() | B.{![]() ![]() |
C.![]() | D.{![]() ![]() |
您最近一年使用:0次
2024-06-01更新
|
895次组卷
|
2卷引用:河南省漯河市源汇区漯河市高级中学2023-2024学年高一下学期5月月考数学试题