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設正比例函數的解析式為y=kx,反比列函數的解析式為y=m/x,k,m均是不等於0的常數 把x=-3,y=4代入y=kx得: -3k=4,k=-4/3 正比例函數的解析式為y=(-4/3)x 把x=-3,y=4代入y=m/x得: m/(-3)=4 m=-12 反比列函數的解析式為y=-12/x
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