1 . 某工厂去年12月试产了1000个电子产品,产品合格率为0.85.从今年1月开始,工厂在接下来的一年中将生产这款产品,1月按去年12月的产量和产品合格率生产,以后每月的产量都在前一个月的基础上提高
,产品合格率比前一个月增加0.01.
(1)求今年2月生产的不合格产品的数量,并判断哪个月生产的不合格产品的数量最多;
(2)求该工厂今年全年生产的合格产品的数量.
参考数据:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f733b1ceeead9ff892539d46a23f3626.png)
(1)求今年2月生产的不合格产品的数量,并判断哪个月生产的不合格产品的数量最多;
(2)求该工厂今年全年生产的合格产品的数量.
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/884b9f6e9fde2b8951b4b0eb362a27f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dac57d6b171ab6bf190b16f774e5688e.png)
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解题方法
2 . 已知函数
,若
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e064a7a3cf3ccbc52f51ed256bc7037c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdc729607cf42c430488ff4bd2cd4f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a3e7c21f36919f0c4a9e4526b2c175.png)
您最近一年使用:0次
解题方法
3 . 已知曲线
,其中
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c56e7f41b3cce1e109a23fafa7dae449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8af5297c9949914aceb44d6b1df814c.png)
A.存在![]() ![]() |
B.存在![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
4 . 已知函数
.
(1)若
的解集为
,求
,
;
(2)若
,
,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63aaa178677e179fd17fb87877ccb38.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138506a762e636aa75a4d54f5b739b89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6855784817151468771f29c0fc38fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188aa6c8b8593db08c1c251d38ca578d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce460941cf3ff54ccb6aec5085689a91.png)
您最近一年使用:0次
2024-02-23更新
|
241次组卷
|
2卷引用:福建省厦门市2023-2024学年高一上学期1月期末质量检测数学试题
5 . 如图,在平行六面体
中,
平面
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/e0bb10cc-07f5-4c60-95df-48e535cec68f.png?resizew=171)
(1)求证:
;
(2)线段
上是否存在点
,使得平面
与平面
的夹角为
?若存在,求
的长;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ddbb0422a136f45653c8c369f2d75fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4615b646e7f1d30265d3fdd4f8439fe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f02723217767fbe9da511292d1be7ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83472c2139c75eea390cfc0e1104e296.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/e0bb10cc-07f5-4c60-95df-48e535cec68f.png?resizew=171)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbeb1554fc1cec56b983a08e9dc52c85.png)
(2)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65277734669566578cbb7d690bb200fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15dc61d5de97b5a40be925b278ae494c.png)
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解题方法
6 . 已知椭圆
的左、右焦点分别为
,
,
上不同两点A,
满足
,当
时,
.
(1)求
的方程;
(2)设直线
,
交于点
,已知
的面积为1,求
与
的面积之和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9d55173f26afdf0e37462b556a605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6d6f746c2355072d914591bf60c3801.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5241b1031d541a5a9024de2b265b8121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500d68f2678989a5ce7431cfd51b019d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79c7134cfcb1855f928c9def7a1df49.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b283e4d7375d770823775e4036c9f6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f2b5b1e9ef7dd60486b550eb4cbec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ba9b58de88d84cf9eeb74c334846ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f4882e15707e5c55a68f2eafa51276.png)
您最近一年使用:0次
7 . 已知圆
和圆
,过动点
分别作圆
,圆
的切线
,
(A,
为切点),且
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2390c3620d076f200ec790b8d0c09a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5c4882a2713d22cc8bb19cc51548b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce5dcaffd91bc44cda4a2e44000ae73.png)
您最近一年使用:0次
解题方法
8 . 如图,在棱长为2的正方体
中,点
,
分别是
和
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.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/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/03213146-0276-403c-8244-41339c08fc6e.png?resizew=150)
A.![]() |
B.![]() |
C.点![]() ![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
解题方法
9 . 在平面直角坐标系
中,点
,
,动点
满足
.
(1)求点
的轨迹
的方程;
(2)过点
的直线
与
交于
,
两点,
,求
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/993769b494e12c21dff0ee7c53a4a49f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e30645f36e8628b9e25d53598d5174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71dfa562fe8529f0f92673c2864d3c5d.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac144685e50009fa7c9233d85e8bd85b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
10 . 已知函数
恰有三个零点,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8947191ec3765e35b5e811a1af440ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次