摘要: 解:(1)在函数的图象上 . 反比例函数的解析式为:.····················· 2分 点在函数的图象上------- 2分 经过.. 解之得 一次函数的解析式为:·················· 5分 (2)是直线与轴的交点 当时.点················· 6分 ···································· 8分 (3)····························· 10分 (4)·························· 12分

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