对于反比例函数 y=kx ，当自变量x的值从3增加到6时，函数值减少了1，则函数的解析式为_刷题宝

题干

对于反比例函数 y=

k

x

，当自变量x的值从3增加到6时，函数值减少了1，则函数的解析式为（）

A： $y = \frac{6}{x}$

B： $y = \frac{3}{x}$

C： $y = \frac{2}{x}$

D： $y = \frac{1}{2 x}$

上一题下一题 0.0难度选择题更新时间:2018-05-08 10:27:22

答案(点此获取答案解析）

A

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