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f(x)=ax3+3x2+2,若f′(-1)=4,则a的值等于

发布时间:2021-07-16

A.http://picflow.koolearn.com/upload/papers/g02/20120220/20120220135752697903.gif

B.http://picflow.koolearn.com/upload/papers/g02/20120220/20120220135752704897.gif

C.http://picflow.koolearn.com/upload/papers/g02/20120220/20120220135752736899.gif

D.http://picflow.koolearn.com/upload/papers/g02/20120220/20120220135752710899.gif

试卷相关题目

  • 1设f0(x)=sinx,f1(x)=f0′(x),f2(x)=f1′(x),…,fn+1(x)=fn′(x),n∈N,则f2010(x)=

    A.sinx

    B.-sinx

    C.cosx

    D.-cosx

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  • 2若函数 http://picflow.koolearn.com/upload/papers/20140824/20140824054518875808.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824054518890493.png内为增函数,则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824054518921283.png的取值范围是( )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824054518937727.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824054518953666.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824054518968740.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824054518999671.png

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  • 3定义域为R的函数f(x)满足f(1)=1,且f(x)的导函数 http://picflow.koolearn.com/upload/papers/20140824/20140824054423588665.png,则满足 http://picflow.koolearn.com/upload/papers/20140824/20140824054423604649.png的x的集合为(   )

    A.{x|x<1}

    B.{x|-1

    C.{x|x<-1或x>1}

    D.{x|x>1}

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  • 4已知函数f(x)在R上满足f(x)=2f(2-x)+ex-1+x2,则曲线y=f(x)在点(1,f(1))处的切线方程是

    A.2x-y-1=0

    B.x-y-3=0

    C.3x-y-2=0

    D.2x+y-3=0

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  • 5设函数f(x)=http://picflow.koolearn.com/upload/papers/g02/20111124/20111124115732390943.gifx3+http://picflow.koolearn.com/upload/papers/g02/20111124/201111241157324061002.gifx2+tanθ,其中θ∈http://picflow.koolearn.com/upload/papers/g02/20111124/20111124115732421986.gif,则导数f′(1)的取值范围是

    A.[-2,2]

    B.http://picflow.koolearn.com/upload/papers/g02/20111124/20111124115732437978.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20111124/20111124115732468946.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20111124/20111124115732484946.gif

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  • 6若函数 http://picflow.koolearn.com/upload/papers/20140824/20140824053614309730.png在区间 http://picflow.koolearn.com/upload/papers/20140824/20140824053614340543.png单调递增,则 http://picflow.koolearn.com/upload/papers/20140824/20140824053614371312.png的取值范围是(   )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824053614387554.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824053614418496.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824053614449546.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824053614480509.png

    开始考试点击查看答案
  • 7已知 http://picflow.koolearn.com/upload/papers/20140824/20140824055130920491.png为定义在(- http://picflow.koolearn.com/upload/papers/20140824/20140824055130951401.png)上的可导函数, http://picflow.koolearn.com/upload/papers/20140824/20140824055130966694.png对于 http://picflow.koolearn.com/upload/papers/20140824/20140824055130982266.png∈R恒成立,且e为自然对数的底数,则(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824055130998445.png.http://picflow.koolearn.com/upload/papers/20140824/20140824055131029625.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824055131044421.png.http://picflow.koolearn.com/upload/papers/20140824/20140824055131060622.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824055130998445.png.http://picflow.koolearn.com/upload/papers/20140824/20140824055131029625.png=http://picflow.koolearn.com/upload/papers/20140824/20140824055131044421.png.http://picflow.koolearn.com/upload/papers/20140824/20140824055131060622.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824055130998445.png.http://picflow.koolearn.com/upload/papers/20140824/20140824055131029625.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824055131044421.png.http://picflow.koolearn.com/upload/papers/20140824/20140824055131060622.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824055130998445.png.http://picflow.koolearn.com/upload/papers/20140824/20140824055131029625.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824055131044421.png.http://picflow.koolearn.com/upload/papers/20140824/20140824055131060622.png大小不确定

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  • 8已知可导函数 http://picflow.koolearn.com/upload/papers/20140824/20140824054901159416.png为定义域上的奇函数, http://picflow.koolearn.com/upload/papers/20140824/20140824054901175664.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824054901191365.png时,有 http://picflow.koolearn.com/upload/papers/20140824/20140824054901222726.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824054901237524.png的取值范围为(   )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824054901269788.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824054901284817.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824054901300477.png

    D.imag</p><p>E.png

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