写一个当x>0时,y随x的增大而增大的函数解析式__ .
更新时间:2019-10-23 06:36:31
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【推荐1】一次函数
的图象经过
,
两点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
______
(填“>”、“<”或“=”).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e212cdbfba6610bc55df2c1a737407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62a17431f86f35afcf3ee7e0c4a9dee0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e30ca3e0cb628bf93aae606b9168d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
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【推荐2】若一次函数
的图象过点
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
______
(填“
”、“
”或“
”).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bd144e0e96e4236a14523e0729cacb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a574b4e5adc18b94c22822cf1d0b3b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f566074c204d14b999fb00fb48685765.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392cdb9d30684cce244bef94b8d861b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7942da6c3fc4005256fb1458557c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
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【推荐1】若二次函数 y x
4x k 的最大值是 9,则k =____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/921ef5abce73648e3834140df9a72aa8.png)
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【推荐2】如图,在平面直角坐标系中,将抛物线y=﹣
x2+4绕点A(2,0)旋转180°,则旋转后的抛物线所对应的函数表达式为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/16/8c37b3bc-5dc3-4c88-9ee7-d09cec842e98.png?resizew=162)
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【推荐2】已知
,点
在某反比例函数的图象上,若该反比例函数的图象也经过点
、
、
,则
、
、
之间的大小关系是___________ .(用“<”连接)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90369b5ad9840bae663260489a1ab2a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b335385838979e1744cb32542004c04f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6c51d0b1a90c2121b0dc8e20ad30af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f56dbd8f8139a9959e20e8631829ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9314bd1d7a6e070f4f2428f9a321804e.png)
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