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若函数 http://picflow.koolearn.com/upload/papers/20140824/20140824023652708734.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824023652708565.png上单调递增,那么实数 http://picflow.koolearn.com/upload/papers/20140824/20140824023652724280.png的取值范围是(  )

发布时间:2021-07-16

A.http://picflow.koolearn.com/upload/papers/20140824/20140824023652739401.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824023652755400.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824023652770397.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824023652786389.png

试卷相关题目

  • 1已知定义在 http://picflow.koolearn.com/upload/papers/20140824/20140824022850901277.png上的函数 http://picflow.koolearn.com/upload/papers/20140824/20140824022850917463.png满足 http://picflow.koolearn.com/upload/papers/20140824/20140824022850932724.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824022850932483.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824022850917463.png的导函数,且导函数 http://picflow.koolearn.com/upload/papers/20140824/20140824022850963581.png的图象如右图所示.则不等式 http://picflow.koolearn.com/upload/papers/20140824/20140824022850979533.png的解集是(   ) http://picflow.koolearn.com/upload/papers/20140824/201408240228509951832.png

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824022851010485.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824022851026509.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824022851104477.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824022851119780.png

    开始考试点击查看答案
  • 2已知定义在 http://picflow.koolearn.com/upload/papers/20140824/20140824022750061279.png上的函数 http://picflow.koolearn.com/upload/papers/20140824/20140824022750077447.png满足 http://picflow.koolearn.com/upload/papers/20140824/20140824022750092452.png,且 http://picflow.koolearn.com/upload/papers/20140824/20140824022750077447.png的导函数 http://picflow.koolearn.com/upload/papers/20140824/20140824022750123481.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824022750061279.png上恒有 http://picflow.koolearn.com/upload/papers/20140824/20140824022750186659.png,则不等式 http://picflow.koolearn.com/upload/papers/20140824/20140824022750201711.png的解集为(    )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824022750217509.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824022750248500.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824022750264414.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824022750279551.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824022750217509.png

    开始考试点击查看答案
  • 3已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824010714037910.png在(1,4)上是减函数,则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824010714037283.png的取值范围是(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824010714052535.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824010714068526.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824010714099617.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824010714115624.png

    开始考试点击查看答案
  • 4定义在 http://picflow.koolearn.com/upload/papers/20140824/20140824021004907303.png上的函数 http://picflow.koolearn.com/upload/papers/20140824/20140824021004922945.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824021004938447.png  (    )

    A.既有最大值也有最小值

    B.既没有最大值,也没有最小值

    C.有最大值,但没有最小值

    D.没有最大值,但有最小值

    开始考试点击查看答案
  • 5已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824013715044447.png的导函数 http://picflow.koolearn.com/upload/papers/20140824/20140824013715060481.png满足 http://picflow.koolearn.com/upload/papers/20140824/20140824013715060481.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824013715091266.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824013715122433.png),则(   )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824013715138611.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824013715169388.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824013715138611.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824013715169388.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824013715138611.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824013715232368.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824013715138611.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824013715232368.png

    开始考试点击查看答案
  • 6定义域为R的连续函数 http://picflow.koolearn.com/upload/papers/20140824/20140824031822285447.png,对任意x都有 http://picflow.koolearn.com/upload/papers/20140824/20140824031822316717.png,且其导函数 http://picflow.koolearn.com/upload/papers/20140824/20140824031822332486.png满足 http://picflow.koolearn.com/upload/papers/20140824/20140824031822363723.png,则当 http://picflow.koolearn.com/upload/papers/20140824/20140824031822379483.png时,有(   )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824031822394946.png

    B.http://picflow.koolearn.com/upload/papers/20140824/201408240318224261000.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824031822441944.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824031822441914.png

    开始考试点击查看答案
  • 7http://picflow.koolearn.com/upload/papers/20140824/20140824021458452447.png的定义域为 http://picflow.koolearn.com/upload/papers/20140824/20140824021458484303.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824021458499591.png恒成立, http://picflow.koolearn.com/upload/papers/20140824/20140824021458515530.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824021458530662.png解集为(   )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824021458562419.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824021458577515.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824021458593519.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824021458608516.png

    开始考试点击查看答案
  • 8http://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
  • 9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
  • 10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
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