某函数满足当x>1时,函数随x的增大而减小,且过点(1,2),写出一个满足条件的函数表达式___ .
更新时间:2021-06-30 15:16:54
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【推荐2】如图,已知一次函数
与反比例函数
(
)图象在第二象限相交于A(﹣4,
),B(n,2)两点,当
满足条件:___ 时,一次函数大于反比例函数的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05621b18b7ffc991d9f30380e2e08fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4c78214e43a8b93f2a57072033cbcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2020/7/19/2509355660550144/2510067422191616/STEM/2ec233e7cf76459cb4e020ec300da33f.png?resizew=144)
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