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1 . 函数
,若
,使得
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb963c118a29a9a86097cb5c41ea934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56b8057c5c7449288b390651197c2aa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-10-26更新
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2426次组卷
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4卷引用:重庆市清华中学2022届高三上学期7月月考数学试题
重庆市清华中学2022届高三上学期7月月考数学试题安徽省合肥市第六中学2021-2022学年高一上学期第一次段考数学试题(已下线)专题2.3 一元二次函数、方程和不等式章节测试(A)-《聚能闯关》2021-2022学年高一数学提优闯关训练(人教A版2019必修第一册)河北省沧州市任丘市第一中学2020-2021学年高二上学期第一次阶段考试数学试题
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2 . 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)
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