设f′(x)是函数f(x)的导函数,y=f′(x)的图象如图所示,则y=f(x)的图象

设f′(x)是函数f(x)的导函数,y=f′(x)的图象如图所示,则y=f(x)的图象最有可能是(    )

答案

解析:由y=f′(x)图象知,x∈(-∞,0)∪(2,+∞)时f′(x)>0.

x∈(0,2)时f′(x)<0.

    故f(x)在(-∞,0)和(2,+∞)区间上.是单调增函数,f(x)在区间(0,2)上是单调减函数.

    故符合条件的只有C.

答案:C

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