如图,二次函数
的图象过点
,当
时,函数值
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3affef9bd3db0b2e1c115fe97cb8460c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff32d26c8d44f5fb4813a19c1030a9f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4c884ac7d312e853b2ed2de4f5a647c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/21/8537c1f4-5484-48b3-9f6e-00aa03207f7d.png?resizew=121)
更新时间:2024-01-22 10:45:42
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【推荐1】已知二次函数
的图象过点
,
,
.若点
,
,
也在二次函数
的图象上,则
,
,
的大小关系的是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
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【推荐2】如图,平行四边形ABCD中,AB
4,点D的坐标是(0,﹣4),以点C为顶点的抛物线
经过x轴上的点A,B.则抛物线的解析式是_____________ .
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【推荐1】已知函数
图像上两点
,其中
,则
与
的大小关系是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
_____
.(填“<”,“>”或“=”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be813129e97b1bff6c8424b7674d688f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a404518d1a9675a44a5d45c88d225a.png)
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【推荐2】关于x的二次函数
,当
时,y随取x的增大而增大,则实数m的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de925c837ba4edc737fb34c841b8f2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
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