解题方法
1 . 已知函数
的图像与函数
的图像关于直线
对称,函数
.
(1)若
,求
在
上的最大值;
(2)设
,
,求
的最小值,其中
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ddbb42a63adb9076ad56a76f3b8dad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca1c57bfd65f706577e1189146a34e84.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3fef60f8e751050cfc558e47ce622d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365114c53aa12abda1004c8e4cb4ca0c.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07620a9554690b0277f0b220711ceab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365114c53aa12abda1004c8e4cb4ca0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcafc95a0527841c29a58d4f7d85e232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/478e75f2162f25b93d4c337e2829fc05.png)
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2 . 已知数列![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
,
为从1到2022互不相同的整数的一个排列,设集合
,
中元素的最大值记为
,最小值记为
.
(1)若
为:1,3,5,…,2019,2021,2022,2020,2018,…,4,2,且
,写出
,
的值;
(2)若
,求
的最大值及
最小值;
(3)若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f1e6715f78f92638d566e1806ca516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb3e9ef023f9cb43f9c9930f3b9620a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9477141f053e191d0a38e2e5dedf944.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef178c4320412a41a6592d5e0a833bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef178c4320412a41a6592d5e0a833bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a05744bb22c9562706b334e9e1e889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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3 . 已知函数
有最大值
,
(1)求实数
的值;
(2)若
与
有公切线
,求
的值.
(3)若有
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e91c20849a830a86f287b7913a7b4652.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845e5670761cc50147a6f50bc2a30b60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c939c087e55933859467ac8c5c57dfce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a18d6ca6f17a219faad5eebc5ec5f1.png)
(3)若有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b867c903bdbadb2f47301f64fa3213f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a18d6ca6f17a219faad5eebc5ec5f1.png)
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4 . 如图,抛物线
与 x 轴的负半轴交于点A,对称轴经过顶点B与 x 轴交于点M.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/c7e55872-e220-4f74-9bbc-f7bfd5d79e90.png?resizew=176)
(1)求抛物线的顶点B的坐标(用含m的代数式表示);
(2)连结BO,若BO的中点C的坐标为
,求抛物线的解析式;
(3)在(2)的条件下,D在抛物线上,E在直线BM上,若以A、C、D、E为顶点的四边形是平行四边形,求点D的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de2085061a163301b13d0703fd4325cc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/c7e55872-e220-4f74-9bbc-f7bfd5d79e90.png?resizew=176)
(1)求抛物线的顶点B的坐标(用含m的代数式表示);
(2)连结BO,若BO的中点C的坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57f3667ce2ba08aaff676fdb400431c.png)
(3)在(2)的条件下,D在抛物线上,E在直线BM上,若以A、C、D、E为顶点的四边形是平行四边形,求点D的坐标.
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解题方法
5 . 在《九章算术》中,底面是直角三角形的直三棱柱被称为“堑堵”.如图,在堑堵
中,
是
的中点,
,若平面α过点P,且与
平行,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/2b427620-46d7-4f5b-bc6a-0efa94a59423.png?resizew=145)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ba708880f5eb782acbf2c961c2494c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/2b427620-46d7-4f5b-bc6a-0efa94a59423.png?resizew=145)
A.异面直线![]() ![]() ![]() |
B.三棱锥![]() ![]() |
C.当平面α截棱柱的截面图形为等腰梯形时,该图形的面积等于![]() |
D.当平面α截棱柱的截面图形为直角梯形时,该图形的面积等于![]() |
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6 . 平面直角坐标系中,关于曲线
对应的图像下列选项错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d595d2342d9a5c872e76d27ec195aa0.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() |
D.若![]() |
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解题方法
7 . 已知直线l:
与椭圆
交于A,B两点,点
为椭圆的右焦点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b256345d7109e081b7c895591e995d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() |
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8 . 对于正整数
,函数
定义如下:
对于实数
,记方程
的不同实数解的个数为
,求使得函数
的最大值为4的所有正整数
的和为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab9ea375c58fdc6611d86512b7284b82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976d18a5396ba232f0aa38d136f1d749.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/b6a24198bd04c29321ae5dc5a28fe421.png)
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9 . 某社区规划在小区内修建一个如图所示的四边形休闲区.已知
米,
米,且修建该休闲区的费用是200元/平方米,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/92f77e60-a97b-40a5-8aad-6d635f94a3fe.png?resizew=116)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bfa838273af5bd67f3a1c741654c6b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/975645d6a73a7326974511ca80b37f8c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/92f77e60-a97b-40a5-8aad-6d635f94a3fe.png?resizew=116)
A.若四边形![]() ![]() |
B.若四边形![]() |
C.若![]() |
D.若要修建完成该休闲区,则该社区需要准备的修建费用最多为![]() |
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10 . 已知
是函数
的极值点.
(1)求
;
(2)证明:
有两个零点,且其中一个零点
;
(3)证明:
的所有零点都大于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea764080dd9860df23c7022ca914ea6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31ec7374ee26d32346f96ac1e03d2fd.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f13c1f9a7777c49671e1d6b4bb1e7f7e.png)
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内蒙古呼和浩特第二中学2022-2023学年高三上学期12月月考数学文科试题江苏省扬州中学2022-2023学年高二上学期期末模拟数学试题河南省中原名校联盟2023届高三上学期12月教学质量检测数学文科试题(已下线)专题9 函数与导数 第5讲 导数与函数的零点问题