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已知函数f(x)的导函数f′(x)=ax2+bx+c的图象如图,则f(x)的图象可能是(  )

发布时间:2021-07-15

A. 魔方格

B. 魔方格

C. 魔方格

D. 魔方格魔方格

试卷相关题目

  • 1函数http://picflow.koolearn.com/upload/papers/g02/20120916/201209162102583814043.png在区间[﹣1,2]上单调递增,则http://picflow.koolearn.com/upload/papers/g02/20120916/20120916210258522665.png的取值范围是

    A.(﹣∞,﹣1)∪(2,+∞)

    B.(2,+∞)

    C.(﹣∞,﹣1)

    D.(﹣1,2)

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  • 2设a>0,b>0,e是自然对数的底数

    A.若ea+2a=eb+3b,则a>b

    B.若ea+2a=eb+3b,则a<b

    C.若ea-2a=eb-3b,则a>b

    D.若ea-2a=eb-3b,则a<b

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  • 3已知f"(x)是f(x)的导函数,在区间[0,+∞)上f"(x)>0,且偶函数f(x)满足f(2x﹣1)<http://picflow.koolearn.com/upload/papers/g02/20120921/20120921214804769560.png,则x的取值范围是 

    A.(http://picflow.koolearn.com/upload/papers/g02/20120921/201209212148061621042.png

    B.http://picflow.koolearn.com/upload/papers/g02/20120921/201209212148135041522.png

    C.(http://picflow.koolearn.com/upload/papers/g02/20120921/201209212148306641037.png

    D.[http://picflow.koolearn.com/upload/papers/g02/20120921/201209212148309391037.png

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  • 4已知f(x)=x3-6x2+9x-abc,a<b<c,且f(a)=f(b)=f(c)=0,现给出如下结论: ①f(0)f(1)>0;②f(0)f(1)<0;③f(0)f(3)>0;④f(0)f(3)<0。其中正确结论的序号是 

    A.①③

    B.①④

    C.②③

    D.②④

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  • 5函数y=f(x)在定义域(﹣http://picflow.koolearn.com/upload/papers/g02/20120922/20120922103925252603.png,3)内可导,其图象如图所示.记y=f(x)的导函数为y=f"(x),则不等式f"(x)≤0的解集为http://picflow.koolearn.com/upload/papers/g02/20120922/2012092210392606312849.png

    A.[﹣http://picflow.koolearn.com/upload/papers/g02/20120922/20120922103926544554.png,1]∪[2,3)

    B.[﹣1,http://picflow.koolearn.com/upload/papers/g02/20120922/20120922103927012559.png]∪[http://picflow.koolearn.com/upload/papers/g02/20120922/20120922103927429616.pnghttp://picflow.koolearn.com/upload/papers/g02/20120922/20120922103927845567.png]

    C.[﹣http://picflow.koolearn.com/upload/papers/g02/20120922/20120922103928269564.pnghttp://picflow.koolearn.com/upload/papers/g02/20120922/20120922103928686533.png]∪[1,2)

    D.(﹣http://picflow.koolearn.com/upload/papers/g02/20120922/20120922103929106564.png,﹣http://picflow.koolearn.com/upload/papers/g02/20120922/20120922103929522526.png]∪[http://picflow.koolearn.com/upload/papers/g02/20120922/20120922103929983533.pnghttp://picflow.koolearn.com/upload/papers/g02/20120922/20120922103930404584.png]∪[http://picflow.koolearn.com/upload/papers/g02/20120922/20120922103930824584.png,3)

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  • 6函数f(x)的定义域为(a,b),导函数f′(x)在(a,b)内的图象如图所示,则函数f(x)在(a,b)内的极大值点有(  )

    A.4个

    B.3个

    C.2个

    D.1个魔方格

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  • 7函数f(x)在定义域R内可导,若f(x)=f(2﹣x),且(x﹣1)f′(x)<0,若a=f(0),b=f(http://picflow.koolearn.com/upload/papers/g02/20121009/20121009170138653488.png),c=f(3),则a,b,c的大小关系是   

    A.a>b>c

    B.c>b>a

    C.b>a>c

    D.a>c>b

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  • 8若函数f(x)的导数为f′(x)=﹣x(x+1),则函数f(logax)(0<a<1)的单调减区间为

    A.[﹣1,0]

    B.http://picflow.koolearn.com/upload/papers/g02/20120917/201209171834147592277.png

    C.http://picflow.koolearn.com/upload/papers/g02/20120917/201209171834148681331.png

    D.http://picflow.koolearn.com/upload/papers/g02/20120917/201209171834150022704.png

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  • 9已知函数http://picflow.koolearn.com/upload/papers/g02/20120916/201209161858253582412.png在区间(﹣2,+∞)上为增函数,则实数a的取值范围组成的集合为

    A.http://picflow.koolearn.com/upload/papers/g02/20120916/201209161858255081888.png

    B.http://picflow.koolearn.com/upload/papers/g02/20120916/201209161858256571915.png

    C.http://picflow.koolearn.com/upload/papers/g02/20120916/201209161858258641949.png

    D.http://picflow.koolearn.com/upload/papers/g02/20120916/201209161858260101985.png

    开始考试点击查看答案
  • 10http://picflow.koolearn.com/upload/papers/g02/20120927/20120927230518251767.png时,函数http://picflow.koolearn.com/upload/papers/g02/20120927/201209272305191392440.pnghttp://picflow.koolearn.com/upload/papers/g02/20120927/201209272305199581239.png上是增函数,则实数a的取值范围是

    A.http://picflow.koolearn.com/upload/papers/g02/20120927/201209272305208201140.png

    B.http://picflow.koolearn.com/upload/papers/g02/20120927/201209272305216461050.png

    C.http://picflow.koolearn.com/upload/papers/g02/20120927/20120927230522493891.png

    D.http://picflow.koolearn.com/upload/papers/g02/20120927/201209272305233221083.png

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