單項(xiàng)選擇題設(shè)函數(shù)設(shè)函數(shù)f(x)=(x+1)2/3,則x=-1是f(x)的()

A.駐點(diǎn)
B.極值點(diǎn)
C.間斷點(diǎn)
D.可微點(diǎn)


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