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函数 http://picflow.koolearn.com/upload/papers/20140824/20140824044404101539.png的最大值为(  )

发布时间:2021-07-15

A.http://picflow.koolearn.com/upload/papers/20140824/20140824044404117294.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824044404132264.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824044404148330.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824044404163417.png

试卷相关题目

  • 1已知函数 http://picflow.koolearn.com/upload/papers/20140824/201408240414533571021.png,若同时满足条件: ① http://picflow.koolearn.com/upload/papers/20140824/20140824041453372733.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824041453388321.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824041453403491.png的一个极大值点; ② http://picflow.koolearn.com/upload/papers/20140824/20140824041453419319.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824041453481332.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824041453497587.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824041453513584.png.则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824041453528283.png的取值范围是(    )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824041453544478.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824041453559536.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824041453575815.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824041453606815.png

    开始考试点击查看答案
  • 2设函数f(x)=xe x,则(  )

    A.x=1为f(x)的极大值点

    B.x=1为f(x)的极小值点

    C.x=-1为f(x)的极大值点

    D.x=-1为f(x)的极小值点

    开始考试点击查看答案
  • 3.可导函数在闭区间的最大值必在(     )取得

    A.极值点

    B.导数为0的点

    C.极值点或区间端点

    D.区间端点

    开始考试点击查看答案
  • 4若函数 http://picflow.koolearn.com/upload/papers/20140824/20140824045051043736.png在(0,1)内有极小值,则实数a的取值范围是(   )

    A.(0,3)

    B.(-∞,3)

    C.(0,+∞)

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824045051074658.png

    开始考试点击查看答案
  • 5函数 http://picflow.koolearn.com/upload/papers/20140824/20140824034055946857.png的大致图象如图所示,则 http://picflow.koolearn.com/upload/papers/20140824/20140824034055962481.png等于(  ) http://picflow.koolearn.com/upload/papers/20140824/201408240340559777283.png

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824034055993409.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824034056009404.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824034056024430.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824034056040496.png

    开始考试点击查看答案
  • 6若函数f(x)=x 3-3x在(a,6-a 2)上有最小值,则实数a的取值范围是(  )

    A.(-http://picflow.koolearn.com/upload/papers/20140824/20140824052729727322.png,1)

    B.[-http://picflow.koolearn.com/upload/papers/20140824/20140824052729727322.png,1)

    C.[-2,1)

    D.(-2,1)

    开始考试点击查看答案
  • 7已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824023752472867.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824023752472323.png处有极值 http://picflow.koolearn.com/upload/papers/20140824/20140824023752487298.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824023752503460.png等于(      )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824023752518222.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824023752534314.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824023752518222.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824023752565290.png或18

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824023752581346.png

    开始考试点击查看答案
  • 8下列函数中, x=0是其极值点的是 (  ).

    A.y=-x3

    B.y=cos2x

    C.y=tan x-x

    D.y=http://picflow.koolearn.com/upload/papers/20140824/20140824040518496384.png

    开始考试点击查看答案
  • 9设函数 f( x)= xe x,则(  ).

    A.x=1为f(x)的极大值点

    B.x=1为f(x)的极小值点

    C.x=-1为f(x)的极大值点

    D.x=-1为f(x)的极小值点

    开始考试点击查看答案
  • 10已知函数 http://picflow.koolearn.com/upload/papers/20140824/201408240440326741069.png, http://picflow.koolearn.com/upload/papers/20140824/20140824044032689481.png是函数 http://picflow.koolearn.com/upload/papers/20140824/20140824044032705447.png的导函数,且 http://picflow.koolearn.com/upload/papers/20140824/20140824044032689481.png有两个零点 http://picflow.koolearn.com/upload/papers/20140824/20140824044032736300.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824044032752331.png( http://picflow.koolearn.com/upload/papers/20140824/20140824044032752429.png),则 http://picflow.koolearn.com/upload/papers/20140824/20140824044032705447.png的最小值为()

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824044032783486.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824044032799496.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824044032814478.png

    D.以上都不对

    开始考试点击查看答案
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