名校
1 . 若
的最小值是1,则实数
的值可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f41df22ebbbabe9541c3e87f5fca4f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 平面直角坐标系xOy中,动点
到两坐标轴的距离的乘积为4,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21872d8f6a518e0a2993ccf7a795ed2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b163a80201e236089ad915ee61440bd3.png)
A.1 | B.![]() | C.![]() | D.2 |
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解题方法
3 . 在
中,
,
,
对应的边分别为
,
,
,
.
(1)求
;
(2)奥古斯丁·路易斯·柯西(
,
年
年),法国著名数学家柯西在数学领域有非常高的造诣.很多数学的定理和公式都以他的名字来命名,如柯西不等式、柯西积分公式.其中柯西不等式在解决不等式证明的有关问题中有着广泛的应用.现在,在(1)的条件下,若
,
是
内一点,过
作
,
,
垂线,垂足分别为
,
,
,借助于三维分式型柯西不等式:对任意
,
,
,有:
,当且仅当
时等号成立.求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00378760a6e82ce9cedf439fefcd065c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)奥古斯丁·路易斯·柯西(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8256dc6189acb4b7725a77a51d14444f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eed0c5f79940f13c180beb9c6a6f08a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c1e6722de0b51ea234a160c8330edc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcdb7671e6056d842cdc88fb523467f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1e005baa1be0da8cdf9173a9a46bd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b73a89dbaa50fe6abfbae19c8cc57d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4c1254b9aeec2bbd01d0eecca66d708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb5ba135022def1bcc1cddea66496706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebbd1d0e4d44a11d9b0d65e73eef212.png)
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4 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f248ecf7a49fb79745fc9e2c8b20f0cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88423c7082ae7c41898474be9bfbec39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知
的定义域为
是
的导函数,且
,
,则
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b521dcb9fab2c9e5ab65bbc57fd55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16bbeaafc682ec25f67ea09f632500a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb68a982cc675c054ee52f6b79623670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c6b3591e14c313f5c2a9ae63f9818.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
6 . 已知
,函数
.
(1)当
时,解不等式
;
(2)若
的最小值为2,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4490503c29b1743ca34b05e900d8730.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48adb8a59b5c02fad5eada1b35171cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b562ca77fa64f3ebe40e0ad49833d5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8697fe84b93e6cac74847d6a44771a02.png)
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2024-04-18更新
|
316次组卷
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4卷引用:陕西省西安市第一中学等校2023-2024学年高三下学期4月阶段性测试文科数学试题
陕西省西安市第一中学等校2023-2024学年高三下学期4月阶段性测试文科数学试题陕西省安康市高新中学、安康中学高新分校2023-2024学年高三阶段性测试(八)理科数学试题陕西省西安市第一中学校2024届高三阶段性测试(八)理科数学试题(已下线)四川省成都市外国语学校2024届高三高考模拟(五)理科数学试题
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0107e12161fe0c1babfdd8c0e7f1e0.png)
(1)若
,求函数的严格减区间
(2)若方程
在实数集上有四个解,求实数
的取值范围
(3)若
,数列
满足
.是否存在
使得数列
严格递减?存在的话.求出所有这样的
;不存在的话.说明理由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0107e12161fe0c1babfdd8c0e7f1e0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a66c850c6a5eb9d6c75ab789b86155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af6e53a421800b8e8a7b8882503d5bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91adba8efbf964e9e35547b0fd0ea36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
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8 . 已知
,则下列结论不恒成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
9 . 已知
,则不等式
的解集为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ff7cff83f5a822aa46014d1b5a308f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24159a8ccc5b03abe9744b67f2729d29.png)
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2024-04-01更新
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3卷引用:上海市浦东新区2024届高三下学期期中教学质量检测数学试卷
名校
解题方法
10 . 定义:如果在平面直角坐标系中,点A,B的坐标分别为
,
,那么称
为A,B两点间的曼哈顿距离.
(1)已知点
,
分别在直线
,
上,点
与点
,
的曼哈顿距离分别为
,
,求
和
的最小值;
(2)已知点N是直线
上的动点,点
与点N的曼哈顿距离
的最小值记为
,求
的最大值;
(3)已知点
,点
(k,m,
,e是自然对数的底),当
时,
的最大值为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56720e2f2b0ddd72156da495923698da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2852ae85cfcc804b3192ea8543c88938.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093c6d5bcaa69cea79b24688f5d1bd97.png)
(1)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7688363f5ffff23a6193c7a8eee501c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5815cc29f60d2aa538c4dd30e0803a4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f52cb58b6bc5d71030463ba7e28134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f7fbfa2214ca72495a993b2fed8b61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ed90ebf0061c8a79beed307fc1719a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7688363f5ffff23a6193c7a8eee501c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5815cc29f60d2aa538c4dd30e0803a4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edc218828907b5918bf9d755eb98ea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a9be71b631f37d8a88bc7bd030aa79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edc218828907b5918bf9d755eb98ea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a9be71b631f37d8a88bc7bd030aa79.png)
(2)已知点N是直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8dc6db7e2f6d2e67d523e4f0ce9f5cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ed90ebf0061c8a79beed307fc1719a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57d7224242ab75080dfb394a39ebf7f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7a84d7e5d6236009a8be655bd500fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7a84d7e5d6236009a8be655bd500fd.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d2055892aacf7d99f89438205fe6d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9f275008b67a46bd78362fcd17dabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8440725e1df5ca0990b572dd84127914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69d088db5484ea1d1f3dc2a893288243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57d7224242ab75080dfb394a39ebf7f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e058f4325169eafcc30081eaf45327a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e058f4325169eafcc30081eaf45327a.png)
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2024-03-06更新
|
661次组卷
|
3卷引用:重庆市第一中学校2023-2024学年高二下学期期中考试数学试题