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f(x)的导函数图象如图所示,则f(x)的增区间为(  )

发布时间:2021-07-16

A.[0,1]

B.(-∞,-1]

C.(-∞,0]

D.[0,+∞) http://picflow.koolearn.com/upload/papers/20140611/201406111424105102137.png

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