函数y=(x＞0)的最小值是( )A.2 B.-1+2 �

函数y=(x＞0)的最小值是( )

A.2 B.-1+2 C.-1-2 D.-2+2

答案

解析：

原函数变形y=-1= -1.

答案：

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函数y=(x＞0)的最小值是( )A.2 B.-1+2 �

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