解题方法
1 . 已知函数
.
在
上的图象;
(2)写出
的解集;
(3)把
图象向右平移
个单位长度,再将图象上所有点横坐标缩短为原来
(纵坐标不变),得到
的图象,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66931c1273b2db867d41149e1fb3a8b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c195698ac387fe53b3b1e0248a1fcc92.png)
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(2)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(3)把
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66931c1273b2db867d41149e1fb3a8b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
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