名校
解题方法
1 . (1)已知
,若对任意
,都有
,求
的最小值;
(2)解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/709c7121314576276e4a561aca9558ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4921923069c4f38a0af1ff8637e35b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34a4a82f38d05d5ee55736cce9cb4d67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
(2)解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d4bfa16454ef318f602eae03ad32ee0.png)
您最近一年使用:0次
名校
2 . 已知正实数
满足
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b374b0017f5b78a0d77c5480673066e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597a2383f6c49babe27156d08d28b2eb.png)
A.8 | B.4 | C.2 | D.1 |
您最近一年使用:0次
名校
3 . “三星堆”考古发掘出大量的古代象牙,博物馆需要设计一个透明且密封的长方体玻璃保护罩,并充入昂贵的保护液,保护出土的这些古代象牙,该博物馆需要支付的总费用由以下两部分构成:①保护液的费用,已知罩内该液体的体积比保护罩的容积少
,且每立方米的保护液费用为500元.②保险费,需支付的保险费为
(元),保护罩的容积为
,
与
成反比,当容积为
时,支付的保险费为4000元.
(1)求该博物馆支付的总费用
(元)与保护罩容积
之间的函数关系式;
(2)如何设计保护罩的容积,使博物馆支付的总费用最小?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d69d4d94bdf417be99b4d1c85bac69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c85be8c8789e99b314d2bdbae400a93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b8d3f7a166ff5db92d9ee0014a960d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480a5abf8013422a685c9b28c43de042.png)
(1)求该博物馆支付的总费用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c85be8c8789e99b314d2bdbae400a93.png)
(2)如何设计保护罩的容积,使博物馆支付的总费用最小?
您最近一年使用:0次
2023-11-23更新
|
104次组卷
|
3卷引用:安徽省淮南市淮南四中2023-2024学年高一上学期第二次段考数学试题
4 . 下列说法正确的是( )
A.已知![]() ![]() |
B.已知![]() ![]() ![]() |
C.函数![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
解题方法
5 . 已知直线
过定点
,且交
轴正半轴于点
、交
轴正半轴于点
.点
为坐标原点.
(1)若
的面积为
,求直线
的方程;
(2)求
的最小值,并求此时直线
的方程;
(3)求
的最小值,并求此时直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f13bf66fc845b115de4ec45b4be0e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a99d2c4a23825f62aadcc40822b5eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559d66fd8b309fd440ce9bda78a579c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
6 . 已知
是正实数.
(1)证明:
;
(2)若
,证明:
.
(3)已知
是正数,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98a3635df1a3c8258cd54ed816d9544.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/483e8298320b2fe64e3b2dbe845ad115.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c533a32a305a8489ded77257f8719c.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be97cd1c7111b654d87d8fbb63b6a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e64a8e8e9b6c2f1f4e3fd1829b71eec.png)
您最近一年使用:0次
名校
解题方法
7 . 下列推导过程中,正确的有_______ .(填写序号)①若
,则
,
的最小值为2;②若
,则
;③若
,
,则
;④若对
,
恒成立,则
的取值范围是
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade84ca43740d9174b611eb55881b2bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f40c24c64bbb0645fcf585f4e66872.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a6d6b4609450e4b80bb37a5ecc8926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b0d6209361e6b57c5cf7b2c943030e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/489204d9809807249c362ad3961a3180.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e4cf27adb9c7f35a24b227feae53dbc.png)
您最近一年使用:0次
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解题方法
8 . 设命题
:对任意
满足
时,不等式
恒成立,命题
:对任意正实数
,不等式
恒成立.
(1)若
为真命题,求实数
的取值范围;
(2)若命题
与命题
有且只有一个为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e46371f310e03a153a1698aad9d4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c050167887236d0030e7d3711f40e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f21ed75af40cd35d56866142fa736d0d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
9 . 已知正数x,y满足
.
(1)求
的最大值;
(2)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2436951e9a6f5ca0fc0ae65b9d787119.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b7e12253044b5abff2a56dcd730ced8.png)
您最近一年使用:0次
2023-09-18更新
|
2168次组卷
|
8卷引用:安徽省淮南第三中学2023-2024学年高一上学期10月月考数学试题
名校
10 . 若
,
且
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1136f440ae2b0c3ff93213e9f4c4239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
A.1 | B.5 | C.25 | D.12 |
您最近一年使用:0次
2023-09-06更新
|
2909次组卷
|
14卷引用:安徽省淮南第三中学2023-2024学年高一上学期10月月考数学试题
安徽省淮南第三中学2023-2024学年高一上学期10月月考数学试题河北省保定市定州中学等校2023-2024学年高二上学期开学检测数学试题(已下线)第3章 不等式综合能力测试-【帮课堂】(苏教版2019必修第一册)安徽省亳州市蒙城县第八中学2023-2024学年高一上学期9月月考数学试题四川省乐山市金口河区延风中学2023-2024学年高一上学期第一次月考数学试题广西南宁市邕宁高级中学2023-2024学年高二上学期9月月考数学试题吉林省长春博硕学校2023-2024学年高一上学期第一次阶段性测试数学试题(已下线)高一上学期期中考重难点归纳总结-《一隅三反》江苏省徐州市沛县沛城高级中学2023-2024学年高一上学期第一次学情调研数学试题福建省厦门市湖滨中学2024届高三上学期10月月考数学考试题广东省肇庆市封开县广信中学、四会中学2023-2024学年高一上学期第一次联考数学试题(已下线)专题2-2 基本不等式16种题型归类(2)-【巅峰课堂】题型归纳与培优练福建省莆田市第五中学2024届高三上学期期中数学试题河北省保定市清苑区清苑中学2023-2024学年高一上学期第一阶段考试数学试题