名校
1 . 已知函数
的图象与
的图象有四个不同交点,其横坐标从小到大依次为
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b214363b06afecc73269b952ca9688e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd58c849ab2237ff8161902ebf5cca93.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e714254cc028b2332db403522e72a304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c4473159277aed64ea96c4af087954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b214363b06afecc73269b952ca9688e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd58c849ab2237ff8161902ebf5cca93.png)
您最近一年使用:0次
2019-07-04更新
|
395次组卷
|
2卷引用:山西省太原市2018-2019学年高三模拟试题(二)数学(理)试题
名校
2 . 定义在
上的函数
满足
,且当
时,
,若对任意的
,不等式
恒成立,则实数
的最大值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf116ecbdb894c1d05d5b3b5203c10a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b9295818ff6e29eb3fc8f7f4424b8dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faa21ea802d304368000b92529411487.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e219a01013543bde06c6c24f579c7fee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-07-08更新
|
2631次组卷
|
3卷引用:山西省长治市2023届高三上学期9月质量检测数学试题
3 . 已知函数
是定义在
上的偶函数,当
时,
,若函数
有且仅有
个不同的零点,则实数
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a154aa77357cb73cbcd37275d873a324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8f30dcb2cdb8d88fca0b3bf60ea9fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b480d04ee966a028e0febdf54d4415db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-02-23更新
|
2158次组卷
|
3卷引用:山西省大同市第一中学校2022届高三上学期12月月考数学(理)试题
4 . 某市政府欲在如图所示的矩形
的非农业用地中规划出一个休闲娱乐公园(如图中阴影部分),形状为直角梯形
(线段
和
为两条底边),已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33ccc70b853067d184dcc5b8459de04.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/300eaf6cba3b91d8c09db611e11582dd.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff404c218faa8101298309554c53757.png)
,其中曲线
是以
为顶点、
为对称轴的抛物线的一部分.
![](https://img.xkw.com/dksih/QBM/2016/1/6/1572421473067008/1572421479448576/STEM/2ca0ee604ec24c10a4ea48a7ff78acfb.png)
(1)以
为原点,
所在直线为
轴建立直角坐标系,求曲线
所在抛物线的方程;
(2)求该公园的最大面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b0c4c783dd55685bd3e88bb31c6696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a256acc1953e3cfe36343a9375169fa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82c9ef70f8fa5a0effb5ddd3ec3201a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b77eb3e3dd6bf9a4e637e98ec2ddccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33ccc70b853067d184dcc5b8459de04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fe30c67ac20cd4e8b9cc2d0d420a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/300eaf6cba3b91d8c09db611e11582dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fe30c67ac20cd4e8b9cc2d0d420a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff404c218faa8101298309554c53757.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fe30c67ac20cd4e8b9cc2d0d420a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7382071f035087d3c35e3ffb741d981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa5694373bd78b1ca2180f831bf1c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b693717f525facc79b9a500ed998b109.png)
![](https://img.xkw.com/dksih/QBM/2016/1/6/1572421473067008/1572421479448576/STEM/2ca0ee604ec24c10a4ea48a7ff78acfb.png)
(1)以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa5694373bd78b1ca2180f831bf1c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d86a0a3e867a448094f74a54a1fee64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7382071f035087d3c35e3ffb741d981.png)
(2)求该公园的最大面积.
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