1 . 已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/10/3902c37c-3e22-4d43-b83e-6232bf56b2a6.png?resizew=174)
(1)求
的解析式;
(2)求
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0ef9d537e1849ed448318247dce9f7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/10/3902c37c-3e22-4d43-b83e-6232bf56b2a6.png?resizew=174)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
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2 . 已知
在椭圆
上,
分别为
的左、右焦点.
(1)求椭圆
的离心率;
(2)若动点
均在
上,且
在
轴的两侧,求四边形
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246668e713de36a9e3af9b0d0d3ee9e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2bb9c075a320b0fe23145061b1fb0f8.png)
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3 . 某工厂分批生产某种产品,每批产品的生产准备费用为1800元.若每批生产
件产品,每件产品每天的仓储费用为2元,且每件产品平均仓储时间为
天,设平均到每件产品的生产准备费用与仓储费用之和为
元.
(1)写出
关于
的函数解析式;
(2)当
为何值时,
有最小值?最小值是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ee9878f3a0e16f2ed03c44b7bb1e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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解题方法
4 . 已知角
的终边经过点
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e530b83ec8c7d39245b7eab31178e2a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f301ebc700ef54766c031c2cd34ea7d5.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f85074c48f87b23fddb8c326d5af554e.png)
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解题方法
5 . 已知二次函数
在
处取得最大值,指数函数
.
(1)求
的值;
(2)设函数
,试判断
的奇偶性,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea89fb796dea0e3e7571530eaee85bbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecb88dbb5687ae8df93ed9bf07d812b8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3385693988d3e5ddcd0df6979e9ad9.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f4149b81a7c9a2bdefabad01ca629b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
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解题方法
6 . 家居消费是指居民在日常生活中购买和使用的家具、家电、建材、装修等产品和服务所形成的消费行为.长期以来,家居消费一直是居民消费的重要组成部分,对于带动居民消费增长和经济恢复具有重要意义.某家居店为了迎接周年庆举办促销活动,统计了半个月以来天数x与销售额y(万元)的一组数据:
.通过分析发现x与y呈线性相关.
(1)求x与y的样本相关系数r(结果保留三位小数);
(2)求x与y的线性回归方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/929ef3bed0a4bdd22f39e036506dc481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d16a862478985191ece5a20bbe552bec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c6cf002710b9137f3a88500949f22c.png)
参考公式:相关系数,
,
.
参考数据:,
,
,
.
您最近一年使用:0次
2024-01-18更新
|
473次组卷
|
4卷引用:青海省西宁市大通县2024届高三上学期期末数学(理)试题
青海省西宁市大通县2024届高三上学期期末数学(理)试题青海省西宁市大通县2024届高三上学期期末数学(文)试题(已下线)模块八 概率与统计(测试)(已下线)第06讲 第八章 成对数据的统计分析 章节验收测评卷-【帮课堂】2023-2024学年高二数学同步学与练(人教A版2019选择性必修第三册)
解题方法
7 . 如图,在正四棱柱
中,
M是棱
上任意一点.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4ec2ef125fa3aa6c0adda3f8b884a5a.png)
(2)若M是棱
的中点,求异面直线AM与BC 所成角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75ab779ed6b44029d03c8a62ae928210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6dcf3710241e0a5081f5f285384d35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4ec2ef125fa3aa6c0adda3f8b884a5a.png)
(2)若M是棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
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名校
8 . (1)求值:
;
(2)设
,
,试用
,
表示
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dfb82006cc59515cd0d628ac2c4f851.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a08a2a5540efcdb5a77aa4ea3049884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850df3e299d9b1ecbda7e3a59e2a255e.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/8bf842a975fc4eb344d3ec356854ceb8.png)
您最近一年使用:0次
名校
解题方法
9 . 已知双曲线
的焦距为
为双曲线的右焦点,且点
到渐近线的距离为4.
(1)求双曲线
的方程;
(2)若点
,点
为双曲线
左支上一点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f69dfaa3c49f36cd95f9b54f9462d5f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/921871d424af0376d016a21934525c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508734095955bb96d52f37be4e681700.png)
您最近一年使用:0次
名校
解题方法
10 . 已知
,
,且
.
(1)求
的最小值;
(2)若
恒成立,求
的最大值.
![](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/b45900deae0489e87fe448948e8091c4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/897721abb064e0ced75928b1460c29b1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2b5eb662dc083c8ae87dcc5fde5717.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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