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函数 http://picflow.koolearn.com/upload/papers/20140824/20140824052054687757.png在区间 http://picflow.koolearn.com/upload/papers/20140824/20140824052054718515.png上单调递增,则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824052054734283.png的取值范围是(   )

发布时间:2021-07-16

A.http://picflow.koolearn.com/upload/papers/20140824/20140824052054750403.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824052054781393.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824052054796474.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824052054812470.png

试卷相关题目

  • 1函数y= http://picflow.koolearn.com/upload/papers/20140824/20140824045224129338.pngx 2 http://picflow.koolearn.com/upload/papers/20140824/20140824045224144165.png㏑x的单调递减区间为(    )

    A.(http://picflow.koolearn.com/upload/papers/20140824/20140824045224144162.png1,1]

    B.(0,1]

    C.[1,+∞)

    D.(0,+∞)

    开始考试点击查看答案
  • 2若函数 http://picflow.koolearn.com/upload/papers/20140824/20140824045509130781.png在区间 http://picflow.koolearn.com/upload/papers/20140824/20140824045509161547.png上是单调函数,则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824045509177283.png的取值范围是(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824045509193657.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824045509193476.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824045509208665.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824045509224485.png

    开始考试点击查看答案
  • 3定义在 http://picflow.koolearn.com/upload/papers/20140824/20140824050926523711.png上的函数 http://picflow.koolearn.com/upload/papers/20140824/20140824050926554495.png,其导函数是 http://picflow.koolearn.com/upload/papers/20140824/201408240509265701119.png成立,则

    A.http://picflow.koolearn.com/upload/papers/20140824/201408240509265861113.png

    B.http://picflow.koolearn.com/upload/papers/20140824/201408240509266011103.png

    C.http://picflow.koolearn.com/upload/papers/20140824/201408240509266171118.png

    D.http://picflow.koolearn.com/upload/papers/20140824/201408240509266321102.png

    开始考试点击查看答案
  • 4函数 http://picflow.koolearn.com/upload/papers/20140824/20140824050332106707.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824050332122479.png上递增,则 http://picflow.koolearn.com/upload/papers/20140824/20140824050332137283.png的范围是(   )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824050332153415.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824050332169415.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824050332184404.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824050332200412.png

    开始考试点击查看答案
  • 5函数 http://picflow.koolearn.com/upload/papers/20140824/20140824050715389539.png的最大值为(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824050715405294.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824050715421264.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824050715436330.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824050715452417.png

    开始考试点击查看答案
  • 6已知f(x)=x 3+x,若a,b, http://picflow.koolearn.com/upload/papers/20140824/20140824052550401404.png,且a+b>0,a+c>0,b+c>0,则f(a)+f(b)+f(c)的值(   )

    A.一定大于0

    B.一定等于0

    C.一定小于0

    D.正负都有可能

    开始考试点击查看答案
  • 7若函数 http://picflow.koolearn.com/upload/papers/20140824/20140824050714750447.png满足 http://picflow.koolearn.com/upload/papers/20140824/20140824050714797705.png,设 http://picflow.koolearn.com/upload/papers/20140824/20140824050714812631.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824050714828549.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824050714843396.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824050714859262.png的大小关系为( )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824050714875500.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824050714890498.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824050714921495.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824050714937503.png

    开始考试点击查看答案
  • 8设函数 http://picflow.koolearn.com/upload/papers/20140824/20140824052909785506.png在R上可导,其导函数为 http://picflow.koolearn.com/upload/papers/20140824/20140824052909816528.png且函数 http://picflow.koolearn.com/upload/papers/20140824/20140824052909832749.png的图像如图所示,则下列结论一定成立的是(    ) http://picflow.koolearn.com/upload/papers/g02/20141014/2014101412052991411206.jpg 

    A.函数http://picflow.koolearn.com/upload/papers/20140824/20140824052909785506.png的极大值是http://picflow.koolearn.com/upload/papers/20140824/20140824052909894513.png,极小值是http://picflow.koolearn.com/upload/papers/20140824/20140824052909894461.png

    B.函数http://picflow.koolearn.com/upload/papers/20140824/20140824052909785506.png的极大值是http://picflow.koolearn.com/upload/papers/20140824/20140824052909926532.png,极小值是http://picflow.koolearn.com/upload/papers/20140824/20140824052909894461.png

    C.函数http://picflow.koolearn.com/upload/papers/20140824/20140824052909785506.png的极大值是http://picflow.koolearn.com/upload/papers/20140824/20140824052909894513.png,极小值是http://picflow.koolearn.com/upload/papers/20140824/20140824052909926532.png

    D.函数http://picflow.koolearn.com/upload/papers/20140824/20140824052909785506.png的极大值是http://picflow.koolearn.com/upload/papers/20140824/20140824052909926532.png,极小值是http://picflow.koolearn.com/upload/papers/20140824/20140824052909894513.png

    开始考试点击查看答案
  • 9函数f(x)的定义域是R,f(0)=2,对任意x∈R,f(x)+f′(x)>1,则不等式e x·f(x)>e x+1的解集为(  )

    A.{x|x>0}

    B.{x|x<0}

    C.{x|x<-1或x>1}

    D.{x|x<-1或0开始考试点击查看答案

  • 10函数 http://picflow.koolearn.com/upload/papers/20140824/20140824052549887727.png,若对于区间[-3,2]上的任意x 1,x 2,都有|f(x 1)-f(x 2)|≤t,则实数t的最小值是(   )

    A.20

    B.18

    C.3

    D.1

    开始考试点击查看答案
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