名校
解题方法
1 . 已知函数
若
,且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daeb462fc3e5427f9687bff7142323d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e45e961dd36b8f85703c91f248da3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec0e2a7f260009c1444c8c9e5f494837.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
2 . 已知二次函数
,满足:对任意实数
,都有
,且当
时,有
成立,又
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5019cbe93ad636357db8b7474dfef0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f028e597d34316db2c4c993fc72ff32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6e1b016206cd5ebeb621957d14bedb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f4007104de19a31b585174d0f6ad5a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09cc2d590d74ecaf47de3b501f355ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.1 | B.![]() | C.2 | D.0 |
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名校
解题方法
3 . 已知函数
的值域与函数
的定义域相同,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2957e6f4ce12618d03b0df6e089e757.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-11-09更新
|
431次组卷
|
3卷引用:浙江省温州市苍南中学2023-2024学年高一上学期数学家摇篮竞赛试题
名校
解题方法
4 . 设
是定义在
上的函数,若
是奇函数,
是偶函数,函数
,若对任意的
,
恒成立,则实数
的最大值为( )
![](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/7f74a1a70960d9f7877f777dfaaa1d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95c822c874e9ccc9ed9e0d126b01ce9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a33be56de75c7dbbdf000cb3dbb2bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf22a342373c046f8f44c1221c8b36b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c18d7e968d9c9b87604252fe96a3fa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-02-14更新
|
932次组卷
|
2卷引用:湖南省湘西州吉首市2023年第二届中小学生教师解题大赛数学试题
5 . 如图,某园林单位准备绿化一块直径为
的半圆形空地,
外的地方种草,
的内接正方形
为一水池,其余的地方种花.若
,
的面积为
,正方形的面积为
.当a为定值,
变化时,
的最大值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134c3d2c318a33a82da4134dd17fa57e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b94b92e9ad8906ca9297aae4e3aa2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad5a9147b25285124851a61c7d1a24a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
6 . 函数
的最小值是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35672e41c374a413507796c11b608252.png)
A.2 | B.![]() | C.![]() | D.![]() |
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7 . 若对任何
,不等式
恒成立,则一定有( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaae91ed6da60e86e3bb9b3eb7e03e60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a11bbd2f61b83eea28164ebace4de8da.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 对任意
,不等式
恒成立,则
的取值范围是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ddaac3f6b96aa32ec0e065e4cdd728.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 设
,对所有的x均满足
的函数
是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f419a3a31ada96b96bbae23eeb5c48f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f95425c7f376f1d63a3e8a16f207dcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 已知函数
在区间
上的最小值是1,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53dc7c6838d49213d6be6b083dff2af1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a92ba8b43bebdf7d6c40917f4d3e110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() ![]() | B.![]() | C.![]() | D.![]() ![]() |
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