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若函数f(x)的导函数f′(x)=x2-4x+3,则函数f(x+1)的单调递减区...
若函数f(x)的导函数f′(x)=x2-4x+3,则函数f(x+1)的单调递减区间是( )
A.(0,2)
B.(1,3)
C.(-4,-2)
D.(-3,-1)
考点分析:
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