1 . 已知函数
.
(1)求函数
的单调区间;
(2)若函数
有两个极值点
,
,求当a为何值时,
取得最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e9893aef74180b1200906e3d769d88.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b916df8bdd03ba4a31c0b8470d13436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af3b6a0621b958176479b23cf24a6cd3.png)
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2024-01-16更新
|
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2卷引用:山西省吕梁市孝义市部分学校2024届高三上学期12月月考数学试题
名校
2 . 若曲线
上的点P与曲线
上的点Q关于坐标原点对称,则称P,Q是
,
上的一组奇点.若曲线
(
且
)与曲线
有且仅有一组奇点,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fba98327c9fc19b9756766732b33ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060e7930731eddbcfac592b808e9b698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce5e3a606e910cba4f6cff8cc57ce3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-01-13更新
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5卷引用:山西省大同市2024届高三上学期冬季教学质量检测数学试题
3 . 已知双曲线
:
的右焦点为F,动点M,N在直线
:
上,且
,线段
,
分别交C于P,Q两点,过P作
的垂线,垂足为
.设
的面积为
,
的面积为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a218602e8e3a52f74f760059aa7014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d599059e6b2c918ab15ee22611b6962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb333b87ab3ecde430010b4dd8b371fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2273ae1ee99cec9c1304323bc9ebf75f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1460aa3d83df61f6c411b34412135451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecfb02e157819a2bdd0f2790cbc825e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a9bf6bda9363dbef5f6ff4bf6a5edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
A.![]() ![]() | B.![]() |
C.![]() | D.![]() ![]() |
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2024-01-13更新
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6卷引用:山西省大同市2024届高三上学期冬季教学质量检测数学试题
山西省大同市2024届高三上学期冬季教学质量检测数学试题2023年普通高等学校招生“圆梦杯”统一模拟考试(三)数学试题江西省赣州市南康中学2024届高三上学期七省联考考前数学猜题卷(四)(已下线)广东省深圳市深圳中学2024届高三第一次调研数学试题江苏省盐城市响水中学2023-2024学年高二上学期期末数学试题(已下线)第6讲:最值范围问题【练】
解题方法
4 . 已知抛物线
:
与直线
交于
,
两点,
为坐标原点,且
.
(1)求
的方程;
(2)过点M作斜率互为相反数的两条直线
和
,分别与
交于点A和点B,且点A与点B均在点M的上方,以
,
为邻边作平行四边形
,求平行四边形
面积S的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4407788e4dc88210bca71a2551d4f2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5820a0ba5735e801db65fdd2405c7b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点M作斜率互为相反数的两条直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a2b039a51a0b6fc650a19813067377.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a2b039a51a0b6fc650a19813067377.png)
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名校
5 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a77d7cdcc552b4088ab01143c41e54.png)
A.![]() | B.![]() |
C.![]() | D.方程![]() |
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|
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2卷引用:山西省忻州市三重教育2024届高三上学期12月联考数学试题
名校
6 . 已知
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c22046b62137ee9f8d2f5a24b69ee173.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
7 . 在
中,点D在
上,
,
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c700a22bbc79eb6d1c1f3a2e89825a39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7f89fd7ddc3277cf27230a12d60f11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a41d6b52d491ce10ded1278947112927.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
8 . 某企业计划投资
两个项目共100万元,且每个项目至少投资20万元,依据前期市场调研可知,投资
项目的收益
(单位:万元)与投资金额
(单位:万元)满足
,投资
项目的收益
(单位:万元)与投资金额
(单位:万元)满足
.
(1)若该企业投资
项目64万元,求该企业投资
两个项目的总收益;
(2)求该企业投资
两个项目总收益的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c7eb49a823f757461cd5260757b088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad2727517578dfa3fb1a0fde4301fa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd84a8f95166367063218ee03ffd5a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e86e7114f0486e3866c4ecc094d5730.png)
(1)若该企业投资
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(2)求该企业投资
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
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名校
解题方法
9 . 已知函数
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be48833fdf4e029de562ac306418253.png)
A.![]() ![]() |
B.![]() ![]() |
C.若方程![]() ![]() ![]() ![]() |
D.方程![]() |
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2023-11-10更新
|
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3卷引用:山西省吕梁市2024届高三上学期阶段性测试数学试题
10 . 如图,某市在创建文明城市活动中,拟将一个半径为100米的半圆形空地改造为全民健身公园.设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44de704ae83b2ca499b5724176756107.png)
且
,若计划在扇形
和四边形
内安装健身器材,其余空地绿化,则运动健身区域占地面积的最大值为_______ 平方米.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44de704ae83b2ca499b5724176756107.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05250abe6da85eb0b555948d7dbaf317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb17cf6ecf8ffc6a4a61fa583590a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/837777f4e063676c9088e647be7ac5ab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/30/b440ddb8-6a8b-4864-ad96-1210c685c9bc.png?resizew=151)
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