题目内容
函数
与
(a≠0)在同一直角坐标系中的图象可能是( )
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D
A、由一次函数
的图象与y轴的正半轴相交可知-a>0,即a<0,与
(x≠0)的图象a>0相矛盾,错误; B、由一次函数
的图象与y轴的正半轴相交可知-a>0,即a<0,与
(x≠0)的图象a>0相矛盾,错误; C、由一次函数
的图象与y轴的负半轴相交可知-a<0,即a>0,与
(x≠0)的图象a<0相矛盾,错误; D、由一次函数
的图象可知a<0,与
(x≠0)的图象a<0一致,正确.故选D.
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