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设函数y=f(x)在定义域内的导函数为y=f′(x),y=f(x)的图象如图1所示,则y=f′(x)的图象可能为(  )

发布时间:2021-07-16

A.http://picflow.koolearn.com/upload/papers/20140611/201406111409145691269.png

B.http://picflow.koolearn.com/upload/papers/20140611/201406111409153331125.png

C.http://picflow.koolearn.com/upload/papers/20140611/201406111409159571141.png

D.http://picflow.koolearn.com/upload/papers/20140611/201406111409160201026.png http://picflow.koolearn.com/upload/papers/20140611/20140611140916082985.png

试卷相关题目

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    A.5

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  • 2若函数 http://picflow.koolearn.com/upload/papers/20140823/20140823120215121508.gif上可导且 http://picflow.koolearn.com/upload/papers/20140823/20140823120215136691.gif时,下列不等式一定成立的是(  )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823120215152451.gif

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823120215167450.gif

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823120215183446.gif

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823120215199451.gif

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  • 3已知函数f(x)=x2+2x+alnx在(0,1)上单调,则实数a的取值范围是(  )

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    C.a≤-4或a≥0

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  • 4http://picflow.koolearn.com/upload/papers/20140823/20140823121123243244.gif时, http://picflow.koolearn.com/upload/papers/20140823/20140823121123274408.gif,则 http://picflow.koolearn.com/upload/papers/20140823/20140823121123290270.gif的单调减区间是(       )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823121123462422.gif

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823121123477485.gif

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823121123508471.gif

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823121123633296.gif

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  • 5函数 http://picflow.koolearn.com/upload/papers/20140823/20140823121308122718.gifhttp://picflow.koolearn.com/upload/papers/20140823/20140823121308138415.gif上是增函数,则实数 http://picflow.koolearn.com/upload/papers/20140823/20140823121308294192.gif的取值范围是(       )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823121308403253.gif

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823121308419240.gif

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823121308434374.gif

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823121308450294.gif

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  • 6函数y=f′(x)的图象如图所示,则f(x)的解析式可能是(  )

    A.y=x2-2x

    B.y=x2+2x

    C.y=x3+x2

    D.y=3x3-x2 http://picflow.koolearn.com/upload/papers/20140611/2014061113422839011571.png

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  • 7已知函数f(x)的导函数的图象如图所示,给出下列四个结论: ①函数f(x)在区间(-3,1)内单调递减; ②函数f(x)在区间(1,7)内单调递减; ③当x=-3时,函数f(x)有极大值; ④当x=7时,函数f(x)有极小值. 则其中正确的是(  )

    A.②④

    B.①④

    C.①③

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  • 8若函数f(x)=4x3-ax2-2x+b在x=1处有极值,则a的值等于(  )

    A.2

    B.3

    C.5

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  • 9f(x)的导函数图象如图所示,则f(x)的增区间为(  )

    A.[0,1]

    B.(-∞,-1]

    C.(-∞,0]

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

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  • 10设f′(x)是函数f(x)的导函数,如果函数y=f′(x)的图象如图所示,那么下列结论一定正确的是(  )

    A.当x∈(0,1)时,f(x)>0

    B.当x∈(0,1)时,f(x)<0

    C.函数f(x)在区间(1,+∞)内单调递减

    D.函数f(x)在区间(-∞,0)内单调递增 http://picflow.koolearn.com/upload/papers/20140611/201406111324292583518.png

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