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对于实数集 http://picflow.koolearn.com/upload/papers/20140824/20140824021041130317.png上的可导函数 http://picflow.koolearn.com/upload/papers/20140824/20140824021041146409.png,若满足 http://picflow.koolearn.com/upload/papers/20140824/20140824021041161780.png,则在区间[1,2]上必有(   )

发布时间:2021-07-16

A.http://picflow.koolearn.com/upload/papers/20140824/20140824021041192657.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824021041208534.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824021041224567.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824021041208534.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824021041224567.png

试卷相关题目

  • 1若函数 http://picflow.koolearn.com/upload/papers/20140824/20140824023911657719.png存在极值,则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824023911673306.png的取值范围是(    )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824023911689404.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824023911704397.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824023911704476.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824023911720484.png

    开始考试点击查看答案
  • 2函数 http://picflow.koolearn.com/upload/papers/20140824/20140824030952195738.png的单调递增区间是(   )

    A.(-∞,2)

    B.(0,3)

    C.(1,4)

    D.(2,+∞)

    开始考试点击查看答案
  • 3设函数f(x)=x 3-4x+a,0<a<2.若f(x)的三个零点为x 1,x 2,x 3,且x 1<x 2<x 3,则(   )

    A.x1>-1

    B.x2<0

    C.x2>0

    D.x3>2

    开始考试点击查看答案
  • 4已知定义域为 http://picflow.koolearn.com/upload/papers/20140824/20140824031001415303.png的函数 http://picflow.koolearn.com/upload/papers/20140824/20140824031001431509.png满足 http://picflow.koolearn.com/upload/papers/20140824/20140824031001446542.png,且对任意 http://picflow.koolearn.com/upload/papers/20140824/20140824031001462416.png总有 http://picflow.koolearn.com/upload/papers/20140824/20140824031001477618.png,则不等式 http://picflow.koolearn.com/upload/papers/20140824/20140824031001477656.png的解集为 (    )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824031001493546.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824031001509559.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824031001540802.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824031001555558.png

    开始考试点击查看答案
  • 5http://picflow.koolearn.com/upload/papers/20140824/20140824024120030495.png是定义在R上的可导函数,且满足 http://picflow.koolearn.com/upload/papers/20140824/20140824024120046706.png,对于任意的正数 http://picflow.koolearn.com/upload/papers/20140824/20140824024120061283.png,下面不等式恒成立的是(   )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824024120092758.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824024120108768.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824024120139828.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824024120170834.png

    开始考试点击查看答案
  • 6设函数 http://picflow.koolearn.com/upload/papers/20140824/20140824023526533448.png满足 http://picflow.koolearn.com/upload/papers/20140824/20140824023526549977.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824023526565708.png,则当 http://picflow.koolearn.com/upload/papers/20140824/20140824023526580397.png时, http://picflow.koolearn.com/upload/papers/20140824/20140824023526533448.png(   )

    A.有极大值,无极小值

    B.有极小值,无极大值

    C.既无极大值,也无极小值

    D.既有极大值,又有极小值

    开始考试点击查看答案
  • 7设函数 http://picflow.koolearn.com/upload/papers/20140824/20140824023233357761.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824023233373599.png的单调减区间(   )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824023233389232.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824023233404496.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824023233420661.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824023233435636.png

    开始考试点击查看答案
  • 8已知某生产厂家的年利润 http://picflow.koolearn.com/upload/papers/20140824/20140824030904007310.png(单位:万元)与年产量 http://picflow.koolearn.com/upload/papers/20140824/20140824030904147266.png(单位:万件)的函数关系式为 http://picflow.koolearn.com/upload/papers/20140824/20140824030904163938.png,则使该生产厂家获得最大年利润的年产量为(      )

    A.9万件

    B.11万件

    C.12万件

    D.13万件

    开始考试点击查看答案
  • 9已知定义在实数集R上的函数 http://picflow.koolearn.com/upload/papers/20140824/20140824024358526447.png满足 http://picflow.koolearn.com/upload/papers/20140824/20140824024358542446.png,且 http://picflow.koolearn.com/upload/papers/20140824/20140824024358526447.png的导数 http://picflow.koolearn.com/upload/papers/20140824/20140824024358573503.png在R上恒有 http://picflow.koolearn.com/upload/papers/20140824/20140824024358589892.png,则不等式 http://picflow.koolearn.com/upload/papers/20140824/20140824024358604795.png的解集是(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824024358604509.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824024358620517.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824024358635414.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824024358651707.png

    开始考试点击查看答案
  • 10已知函数f(x)的定义域为R,对任意 http://picflow.koolearn.com/upload/papers/20140824/20140824023513585433.png,有 http://picflow.koolearn.com/upload/papers/20140824/20140824023513601624.png,且 http://picflow.koolearn.com/upload/papers/20140824/20140824023513617551.png,则f(x)<3x+6的解集为(  )

    A.(-1, 1)

    B.(-1,+http://picflow.koolearn.com/upload/papers/20140824/20140824023513648313.png

    C.(-http://picflow.koolearn.com/upload/papers/20140824/20140824023513648313.png,-1)

    D.(-http://picflow.koolearn.com/upload/papers/20140824/20140824023513648313.png,+http://picflow.koolearn.com/upload/papers/20140824/20140824023513648313.png

    开始考试点击查看答案
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