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形如y=k/x(k≠0的常数)的函数是反比例函数,由此可得到比例系数k=xy.下面是反比例函数图象的一个重要性质:
A function of the form y=k/x (constant of k ≠ 0) is an inverse proportional function, from which the proportionality coefficient k = xy can be derived. The following is an important property of the image of the inverse scale function: