名校
解题方法
1 . 已知定义在
的严格增函数
与
.若对任意实数
,存在实数
和
,不等式
恒成立,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2aa311daf7a73f8c45de4462f9d92b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302cf658af80ec14f1828b3727e7a511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8578c6d7d390a36d1728070bbd9cc14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365114c53aa12abda1004c8e4cb4ca0c.png)
![](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/c1eb1ef0bb8706a483144babfc03a655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-01-13更新
|
358次组卷
|
3卷引用:上海市五爱高级中学2023-2024学年高一上学期期末考试数学试卷
解题方法
2 . 若向量
满足
,则
的最大值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0efdaa8008b9c3759465bea0c2a388c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e278fc2cf207dd6152c4e1cde076e8c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/088d43ece77c828188ef333570b55b4b.png)
您最近一年使用:0次
3 . 已知平面向量
,
,
满足
,
.若
,则
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595e58f64c5694b954da5a0eed107a71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7753ff49e30ff625b37cc2e7590a0cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af1e43c20b707ef973fa82222e220e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3479bb706e42358008f712fd488c02c5.png)
您最近一年使用:0次
4 . 若不等式
对于
,
上恒成立,则
的最大值是__ ,若
对于
,
上恒成立,则
的最大值是__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e6cee1ba235db8c1ce76c3eb55bbfe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/837c6667703301c00e24bf589fa36c92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad04b9df1032e5d2953e45d238da08d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a343d47de28db5748a6f0a8c6f4715d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e6cee1ba235db8c1ce76c3eb55bbfe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b8794392226135e30dd0bbc84e253bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad04b9df1032e5d2953e45d238da08d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c80587db89817c17a46bd0ebd93b87a.png)
您最近一年使用:0次
2020-09-25更新
|
543次组卷
|
3卷引用:浙江省浙北四校2020届高三下学期二模数学试题
解题方法
5 . 已知函数
(
,且
)在
上的最大值为
,若
的最小值为
,则常数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c61b5dfa6aa3d84c0d4e2c08837cf9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec1d25a58aefbfa50b53f655d7ea471e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c38f3baf9a34265fbdb5c65dd1664d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dccf1f9faac56117d6d3dd1dddd286d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
19-20高三下·浙江·阶段练习
6 . 已知函数
,对一切
,都有
,则当
时,
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d7ed6f4b0e08cd887d2fdc2a5e37e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/366839b25310cb3168d411b1d5f73b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24aa16b780156e18f12baa2b8ee0f9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
7 . 已知函数
,当
时,
的最大值为
,则
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b869a4d4557c11784e24c3b0a166f8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365114c53aa12abda1004c8e4cb4ca0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d6bb01f1044358cc5fee441bc62489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d6bb01f1044358cc5fee441bc62489.png)
您最近一年使用:0次
解题方法
8 . 已知函数
.当
,
的最大值为
,则
的最小值为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f20d5def8c525c6d855c4b0816cb09f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d6bb01f1044358cc5fee441bc62489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d6bb01f1044358cc5fee441bc62489.png)
您最近一年使用:0次
2020-05-25更新
|
737次组卷
|
3卷引用:2020届浙江省杭州市高三下学期教学质量检测数学试题
名校
9 . 设函数
,
,其中
.若
恒成立,则当
取得最小值时,
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05183fca410df27fc3d69d61bd526486.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf322b61457bd0bd7484b4349f537e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
您最近一年使用:0次
2020-05-25更新
|
437次组卷
|
4卷引用:2020届江苏省徐州市高三上学期第一次质量抽测数学试题
2020届江苏省徐州市高三上学期第一次质量抽测数学试题2020届江苏省苏北四市(徐州、宿迁、淮安、连云港)高三上学期期末数学试题江苏省扬州中学2019-2020学年高三下学期4月月考数学试题(已下线)专题3-4 压轴小题导数技巧:多元变量(多参) -2
2010·广东·三模
名校
10 . 若对任意
,
有唯一确定的
与之对应,则称
为关于
,
的二元函数,现定义满足下列性质的
为关于实数
,
的广义“距离”.
(
)非负性:
,当且仅当
时取等号;
(
)对称性:
;
(
)三角形不等式:
对任意的实数
均成立.
给出三个二元函数:①
;②
;③
,
则所有能够成为关于
,
的广义“距离”的序号为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc4d5f4cc4f20f44adbae0d2373681b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1c3c1ed4fb65ab9505ad8078d8d0fb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1c3c1ed4fb65ab9505ad8078d8d0fb5.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/f1c3c1ed4fb65ab9505ad8078d8d0fb5.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/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638df541efb3448608fbad59195e7c99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b9d5aaaceaa3ac514d17fcfefbf9b4.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f0d10d93a4cd75d6987cffce7ce7a84.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb1647c7592d692093ccb10ba99ff0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
给出三个二元函数:①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f322b17f7284251845f84b376f2ec134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6820cb93dea9eb8430dc184664acb4b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c112be1d02723667d2932f0b18eab7ed.png)
则所有能够成为关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次
2017-12-24更新
|
740次组卷
|
4卷引用:广东省华南师大附中2010届高三第三次模拟考试数学试卷(理科)
(已下线)广东省华南师大附中2010届高三第三次模拟考试数学试卷(理科)北京市西城区44中2018届高三上12月月考数学试题北京市西城44中2017届高三12月月考数学(理)试题2019年上海市上海中学高三下学期数学测试2数学试题