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若曲线 http://picflow.koolearn.com/upload/papers/20140823/20140823142627161665.gif在R上单调递增,则k的取值范围是(     )

发布时间:2021-07-16

A.k>1或k<-1

B.http://picflow.koolearn.com/upload/papers/20140823/20140823142627177243.gifhttp://picflow.koolearn.com/upload/papers/20140823/2014082314262719285.gif

C.k>1

D.http://picflow.koolearn.com/upload/papers/20140823/20140823142627223374.gif

试卷相关题目

  • 1已知 http://picflow.koolearn.com/upload/papers/20140823/20140823143018104706.gifhttp://picflow.koolearn.com/upload/papers/20140823/20140823143018119203.gif上不是单调增函数,则 http://picflow.koolearn.com/upload/papers/20140823/20140823143018135191.gif的范围

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823143018151237.gifhttp://picflow.koolearn.com/upload/papers/20140823/20140823143018151231.gif

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823143018182237.gifhttp://picflow.koolearn.com/upload/papers/20140823/20140823143018182235.gif

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823143018197275.gif

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823143018213278.gif

    开始考试点击查看答案
  • 2函数 http://picflow.koolearn.com/upload/papers/20140823/20140823143707776719.gif 在区间 http://picflow.koolearn.com/upload/papers/20140823/20140823143707792312.gif上是减函数,那么 http://picflow.koolearn.com/upload/papers/20140823/20140823143707792265.gif有(  )

    A.最大值http://picflow.koolearn.com/upload/papers/20140823/20140823143707807271.gif

    B.最大值http://picflow.koolearn.com/upload/papers/20140823/20140823143707823287.gif

    C.最小值http://picflow.koolearn.com/upload/papers/20140823/20140823143707807271.gif

    D.最小值http://picflow.koolearn.com/upload/papers/20140823/20140823143707823287.gif

    开始考试点击查看答案
  • 3已知函数 http://picflow.koolearn.com/upload/papers/20140823/20140823144538022798.gif在区间[0,1]上单调递增,则实数 http://picflow.koolearn.com/upload/papers/20140823/20140823144538053190.gif的取值范围是

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823144538069346.gif

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823144538084350.gif

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823144538100339.gif

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823144538115633.gif

    开始考试点击查看答案
  • 4定义域为R的函数f(x)对任意x都有f(x)=f(4-x),且其 导函数f ’(x)满足(x-2)f ’(x)>0,则当2<a<4时,有(   )

    A.f(2a)

    B.f(2) < f(2a)

    C.f(2)

    D.f(log2a)< f(2a)开始考试点击查看答案

  • 5设 f "( x)是函数 f( x)的导函数, y= f "( x)的图像如右图所示,则 y= f( x)的图像最有可能的是http://picflow.koolearn.com/upload/papers/20140823/20140823144537679826.gif http://picflow.koolearn.com/upload/papers/20140823/201408231445376942405.gif

    A.

    B.

    C.

    开始考试点击查看答案
  • 6函数 http://picflow.koolearn.com/upload/papers/20140823/20140823144532546424.gif的图象过原点且它的导函数 http://picflow.koolearn.com/upload/papers/20140823/20140823144532562429.gif的图象是如图所示的一条直线, 则 http://picflow.koolearn.com/upload/papers/20140823/20140823144532546424.gif的图象的顶点在(         ) http://picflow.koolearn.com/upload/papers/20140823/201408231445327021019.gif

    A.第一象限

    B.第二象限

    C.第三象限

    D.第四象限

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  • 7函数 http://picflow.koolearn.com/upload/papers/20140823/20140823142820105424.gif的单调递增区间是(   )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823142820121404.gif

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823142820183411.gif

    C.(1,4)

    D.(0,3)

    开始考试点击查看答案
  • 8下列结论中正确的是(   )

    A.导数为零的点一定是极值点

    B.如果在x0附近的左则http://picflow.koolearn.com/upload/papers/20140823/20140823145729679920.gif是极大值

    C.如果在x0附近的左则http://picflow.koolearn.com/upload/papers/20140823/20140823145729679920.gif是极小值

    D.如果在x0附近的左则http://picflow.koolearn.com/upload/papers/20140823/20140823145729726931.gif是极大值

    开始考试点击查看答案
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