1 . 生物研究小组观察发现,某地区一昆虫种群数量
在8月份随时间
(单位:日,
)的变化近似地满足函数
,且在8月1日达到最低数量700,此后逐日增长并在8月7日达到最高数量900,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ef2bd2a654255eb1c137394e0d9165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b46805b26844608570e0ce81f221e9.png)
A.![]() |
B.![]() |
C.8月17日至23日,该地区此昆虫种群数量逐日减少 |
D.8月份中,该地区此昆虫种群数量不少于850的天数为13天 |
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2 . 已知
的半径是1,点P满足
,直线PA与
相切于点A,直线PB与
交于B,C两点,D为BC的中点,设
,则当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
___________ 时,
取得最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2099708046b5e3f94e6500939ba5d05e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a9f13126fc3789b2d8a585ef60535f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992907998c85cf872f6e66df0b0c1030.png)
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解题方法
3 . “函数
的图象关于点
对称”的充要条件是“对于函数
定义域内的任意
,都有
”.若函数
的图象关于点
对称,且
,则函数
与
在
内的交点个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f941989cf172319ef2dd07b88fe493d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2644f356ee1154ca684c7726c1d42055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86022205a7487439dd8d0897cd3bf19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36538892feba7525f052d27964315ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/631dfc6f47b32407f010c75cdd447339.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/444e6cb104d2594e715d654270c9c115.png)
A.196 | B.198 | C.199 | D.200 |
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2024-03-06更新
|
505次组卷
|
2卷引用:福建省三明市2023-2024学年高一上学期期末质量检测数学试题
4 . 已知
在
上是单调函数,对任意
满足
,且
.设函数
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e127d1fbdddd16be623a3a12ee21271.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f57567e757ab2bd2c967cc6a4fbb4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94da61bc50aed56f8118e4bf965e1265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c404bec03f3ac7aea396a0960d5409d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54094ef9c659507396c6051ce77f4c2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17aa6bee964fc23b7a86adc2f559aa3f.png)
A.函数![]() |
B.若函数![]() ![]() ![]() |
C.函数![]() |
D.函数![]() ![]() |
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5 . 以下四个命题,其中是真命题的有( )
A.命题“![]() ![]() |
B.函数![]() ![]() |
C.函数![]() ![]() ![]() |
D.若某扇形的周长为6cm,面积为2![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-03-01更新
|
247次组卷
|
2卷引用:福建省莆田第二十五中学2023-2024学年高一上学期期末考试数学试题
6 . 已知函数
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/738cdc9daa9094ddef78fae6a6e4bb5c.png)
A.![]() ![]() |
B.![]() ![]() |
C.若![]() ![]() |
D.为了得到函数![]() ![]() ![]() |
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解题方法
7 . 函数
的部分图象大致是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac655fea158c94f24777e8963b5bf90b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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8 . 如图所示,某市政府计划在该扇形地域内建设图书馆,为了充分利用这块土地,并考虑与周边环境协调,要求该图书馆底面矩形
的四个顶点都落在边界上.经过测量,扇形的半径为
,
,
.记弧
的中点为G,连接
,分别与
,
交于点M,N,连接
,设
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/57c550c6-2941-4faa-beaf-33c1c82254e2.png?resizew=165)
(1)求矩形
的面积关于
的函数
;
(2)求矩形
的最大面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8badcdb1e5621f0ac4d9272041185a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff5c21185c13eae675906dabd3593c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cbad6599796efc1c177ae9349feda9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307bd991211ec79b47a4be52933bb8e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554d5d0e557fe3c4162046d40c90324b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/57c550c6-2941-4faa-beaf-33c1c82254e2.png?resizew=165)
(1)求矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fd7229922fbb3ce09dada883f74fbb1.png)
(2)求矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
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解题方法
9 . 已知函数
在
上为奇函数,
.
(1)求实数m的值;
(2)存在
,使
成立.
(i)求t的取值范围;
(ii)若
恒成立,求n的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23db0aced2530841600107296baa0df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
(1)求实数m的值;
(2)存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc73297caf4c1813530134dc85080cdb.png)
(i)求t的取值范围;
(ii)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0da4a67544afb4c0edc031607e10cd91.png)
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10 . 已知函数
的图象关于直线
对称,其最小正周期与函数
相同.
(1)求
的单调递减区间;
(2)设函数
,证明:
有且只有一个零点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c676060db70571815dd981284bbdde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c6cb0cc172657611e286e7fa669584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4eaf01c25190326228208b2bb7cb096.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/162c3e8cf21a53417be8e959c4bd7897.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1299ce9bf7d2ddda2d792a1d8381db35.png)
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