名校
1 . 已知正数
,
满足
,则
的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60339f4fad87d3c19d28bcc1f864e172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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名校
2 . 已知函数
(
)存在两个极值点
,
,且
,则
的取值范围为______ ;
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fd432117dabe0a4793ea96d28252ab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e21ac584efecd770c2dd9d2e83803a.png)
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名校
解题方法
3 . 若实数
,
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd989ddfbed4a6aa18ea57734522153.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99137cb98f861f53439fb56196610f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd989ddfbed4a6aa18ea57734522153.png)
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名校
4 . 对
,不等式
恒成立,则实数a的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fda337e2921bd120fb16583add6a4c5.png)
您最近一年使用:0次
名校
解题方法
5 . 关于x的方程
有实根,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4636917935cd25f6dc22891165ee9fb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
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2024-06-11更新
|
386次组卷
|
2卷引用:河南省南阳市社旗县第一高级中学2024届高三下学期三模理科数学试题
解题方法
6 . 已知函数
点
,
在曲线
上(
在第一象限),过
,
的切线相互平行,且分别交
轴于
,
两点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad67c3da223dbd85f9b746c84bc7e02d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f6e538efc473d94a1b1ac50fef79b11.png)
您最近一年使用:0次
7 . 若过点
仅可作曲线
的两条切线,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c3091b94ba135ae28c882c9b71aacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa17e5fa6b3de4403149e2f39feaaee5.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
8 . 已知
,函数
恒成立,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2292e05a7b23f1d1820e8adc18f29f38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d35f61845ced816d5e5eea34d9f143c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-05-23更新
|
847次组卷
|
2卷引用:河南省信阳市新县高级中学2024届高三考前第六次适应性考试数学试题
解题方法
9 . 传说中孙悟空的“如意金箍棒”是由“定海神针”变形得来的
这定海神针在变形时永远保持为圆柱体,其底面半径原为
,且以每秒
等速率缩短,而长度以每秒
等速率增长.已知神针的底面半径只能从
缩到
,且知在这段变形过程中,当底面半径为
时其体积最大,假设孙悟空将神针体积最小时定形成金箍棒,则体积的最小值为______ ,此时金箍棒的底面半径为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689ff84e2d7f52c7446ef789a54557da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048b61a5fb5f420c6d7de88db5bc3aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe9f7abf7bcf4e1aa2579cd191d7761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689ff84e2d7f52c7446ef789a54557da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095ab4a92bf822e175d370e6d0c8a730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb26c5cdef6f16f4b39cd091041b439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
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10 . 已知直线
与曲线
相切,且分别交
轴、
轴的正半轴于
两点,
为坐标原点,则
面积的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/381ecf37101be4b47f0b0479026a8ece.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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