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已知函数f(x)(x∈R)满足f(1)=1,且f(x)的导函数http://picflow.koolearn.com/upload/papers/g02/20120903/201209031010010401888.png,则http://picflow.koolearn.com/upload/papers/g02/20120903/201209031010011112214.png的解集为

发布时间:2021-07-15

A.{x|﹣1<x<1}

B.{x|x<﹣1}

C.{x|x<﹣1或x>1}

D.{x|x>1}

试卷相关题目

  • 1定义在R上的函数f(x)满足f(4)=1,f"(x)为f(x)的导函数,已知y=f"(x)的图象如图所示,若两个正数a,b满足http://picflow.koolearn.com/upload/papers/g02/20120902/201209021912321062714.png的取值范围是http://picflow.koolearn.com/upload/papers/g02/20120902/201209021912321383615.png

    A.http://picflow.koolearn.com/upload/papers/g02/20120902/201209021912321691392.png

    B.http://picflow.koolearn.com/upload/papers/g02/20120902/201209021912322002383.png

    C.http://picflow.koolearn.com/upload/papers/g02/20120902/201209021912322311251.png

    D.(﹣∞,3)

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  • 2对于R上可导的任意函数f(x),若满足(x﹣1)f′(x)≧0,则必有

    A.f(0)+f(2)<2f(1)

    B.f(0)+f(2)≦2f(1)

    C.f(0)+f(2)≧2f(1)

    D.f(0)+f(2)>2f(1)

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  • 3若函数y=x3+x2+mx+1是R上的单调函数,则实数m的取值范围是

    A.(http://picflow.koolearn.com/upload/papers/g02/20120818/20120818171914812619.png,+∞)

    B.(﹣∞,http://picflow.koolearn.com/upload/papers/g02/20120818/20120818171914869619.png]

    C.[http://picflow.koolearn.com/upload/papers/g02/20120818/20120818171914926619.png,+∞)

    D.(﹣∞,http://picflow.koolearn.com/upload/papers/g02/20120818/20120818171914983619.png

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  • 4设函数f(x)定义在实数集上,它的图象关于直线x=1对称,且当x≥1时,f(x)=lnx﹣x,则有 

    A.http://picflow.koolearn.com/upload/papers/g02/20120821/201208210748077353290.png

    B.http://picflow.koolearn.com/upload/papers/g02/20120821/201208210748077803268.png

    C.http://picflow.koolearn.com/upload/papers/g02/20120821/201208210748078253292.png

    D.http://picflow.koolearn.com/upload/papers/g02/20120821/201208210748078703303.png

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  • 5已知函数f(x)=-mx3+nx2的图象在点(-1,2)处的切线恰好与直线3x+y=0平行,若 f(x)在区间[t,t+1]上单调递减,则实数t的取值范围是

    A.(-∞,-2]

    B.(-∞,-1]

    C.[-2,-1]

    D.[-2,+∞)

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  • 6函数f(x)=(x﹣3)ex的单调递增区间是(   )

    A.(﹣∞,2)  

    B.(0,3)  

    C.(1,4)  

    D.(2,+∞)

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  • 7若函数f(x)=2x2﹣lnx在其定义域内的一个子区间(k-1,k+1)内不是单调函数,则实数k的取值范围是

    A.[1,+http://picflow.koolearn.com/upload/papers/g02/20120708/20120708223251137212.png

    B.http://picflow.koolearn.com/upload/papers/g02/20120726/20120726162530612735.pnghttp://picflow.koolearn.com/upload/papers/g02/20120726/20120726162530651920.png

    C.[1,2)

    D.http://picflow.koolearn.com/upload/papers/g02/20120726/201207261625306651086.pnghttp://picflow.koolearn.com/upload/papers/g02/20120726/20120726162530680612.png

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  • 8函数f(x)=(x﹣3)ex的单调递增区间是

    A.(﹣∞,2)

    B.(0,3)

    C.(1,4)

    D.(2,+∞)

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  • 9设f′(x)是函数f(x)的导函数,将y=f(x)和y=f′(x)的图象画在同一个直角坐标系中,不可能正确的是 

    A.http://picflow.koolearn.com/upload/papers/g02/20120821/201208211908396966366.png

    B.http://picflow.koolearn.com/upload/papers/g02/20120821/201208211908397595953.png

    C.http://picflow.koolearn.com/upload/papers/g02/20120821/201208211908398186084.png

    D.http://picflow.koolearn.com/upload/papers/g02/20120821/201208211908398787049.png

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  • 10已知函数f(x)=lnx+http://picflow.koolearn.com/upload/papers/g02/20120505/20120505114306266348.png,其中a为大于零的常数,若函数f(x)在区间[1,+∞)内单递增,则a的取值范围是

    A.(-∞,1]

    B.(-∞,-1]

    C.[1,+∞)

    D.[-1,+∞)

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