名校
1 . 如图,点
在反比例函数
的图象上,
轴,且交y轴于点C,交反比例函数
于点B,已知
.
![](https://img.xkw.com/dksih/QBM/2021/9/6/2802247650902016/2808902678626304/STEM/7bf7c915-36d4-4152-97f4-01be73b4fcc5.png?resizew=264)
(1)求直线
的解析式;
(2)求反比例函数
的解析式;
(3)点D为反比例函数
上一动点,连接
交y轴于点E,当E为
中点时,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea77904446ed289b8750a23111c3229c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646e11d5bff57e56ce82c2339f2d71ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4de68db2706156f1ee17e24f843b40cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3976d08e5f9e24e76ce9579c06a8dc.png)
![](https://img.xkw.com/dksih/QBM/2021/9/6/2802247650902016/2808902678626304/STEM/7bf7c915-36d4-4152-97f4-01be73b4fcc5.png?resizew=264)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
(2)求反比例函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
(3)点D为反比例函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7bd8bfbd43d0cf1604b8d7e0023f57.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
,函数
,
,对于任意
,总存在
,使得
成立,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc08518c6c826d2f28a4810eaf941021.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b9679bebbf12262a95e313784b97b8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fa5cb4b09c5042827e90f5b2071665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba145810f7d05dbe04bf9bcb37abec8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78fe7333442e1e490b82570b2c526ed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-11-13更新
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1286次组卷
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4卷引用:重庆市第八中学校2023-2024学年高一下学期开学考试数学试题