高中数学代数与函数一函数练习题93
题目内容

若直角坐标平面内的两点 http://picflow.koolearn.com/upload/papers/20140823/20140823233446246290.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823233446277333.png同时满足下列条件: ① http://picflow.koolearn.com/upload/papers/20140823/20140823233446246290.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823233446277333.png都在函数 http://picflow.koolearn.com/upload/papers/20140823/20140823233446340566.png的图象上; ② http://picflow.koolearn.com/upload/papers/20140823/20140823233446246290.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823233446277333.png关于原点对称.则称点对 http://picflow.koolearn.com/upload/papers/20140823/20140823233446402457.png是函数 http://picflow.koolearn.com/upload/papers/20140823/20140823233446340566.png的一对“友好点对” (注:点对 http://picflow.koolearn.com/upload/papers/20140823/20140823233446402457.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823233446480463.png看作同一对“友好点对). 已知函数 http://picflow.koolearn.com/upload/papers/20140823/201408232334464961334.png,则此函数的“友好点对”有(    )

2021-08-04

A.0对

B.1对

C.2对

D.3对

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