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没函数 http://picflow.koolearn.com/upload/papers/20140824/20140824032530833573.png在(0,+ http://picflow.koolearn.com/upload/papers/20140824/20140824032530849313.png)内有定义,对于给定的正数K,定义函数 http://picflow.koolearn.com/upload/papers/20140824/201408240325308801297.png,取函数 http://picflow.koolearn.com/upload/papers/20140824/20140824032530896758.png,恒有 http://picflow.koolearn.com/upload/papers/20140824/20140824032530911650.png,则

发布时间:2021-07-16

A.K的最大值为http://picflow.koolearn.com/upload/papers/20140824/20140824032530927301.png

B.K的最小值为http://picflow.koolearn.com/upload/papers/20140824/20140824032530927301.png

C.K的最大值为2

D.K的最小值为2

试卷相关题目

  • 1若关于x的不等式 http://picflow.koolearn.com/upload/papers/20140824/20140824024415359618.png的解集为 http://picflow.koolearn.com/upload/papers/20140824/20140824024415374624.png,且函数 http://picflow.koolearn.com/upload/papers/20140824/20140824024415390963.png在区间 http://picflow.koolearn.com/upload/papers/20140824/20140824024415406505.png上不是单调函数,则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824024415484337.png的取值范围为 (   )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824024415499520.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824024415515462.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824024415562840.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824024415577840.png

    开始考试点击查看答案
  • 2已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824023406521447.png满足 http://picflow.koolearn.com/upload/papers/20140824/20140824023406536653.png,且当 http://picflow.koolearn.com/upload/papers/20140824/20140824023406552717.png时, http://picflow.koolearn.com/upload/papers/20140824/20140824023406583720.png,则(     )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824023406614738.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824023406630732.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824023406661739.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824023406661739.png

    开始考试点击查看答案
  • 3已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824032112637495.png的定义域为 http://picflow.koolearn.com/upload/papers/20140824/20140824032112637379.png,部分对应值如下表, http://picflow.koolearn.com/upload/papers/20140824/201408240321126691795.png http://picflow.koolearn.com/upload/papers/20140824/20140824032112637495.png的导函数 http://picflow.koolearn.com/upload/papers/20140824/20140824032112700623.png的图象如图所示. http://picflow.koolearn.com/upload/papers/20140824/201408240321127152084.png 下列关于 http://picflow.koolearn.com/upload/papers/20140824/20140824032112637495.png的命题: ①函数 http://picflow.koolearn.com/upload/papers/20140824/20140824032112637495.png的极大值点为 http://picflow.koolearn.com/upload/papers/20140824/20140824032112747262.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824032112762248.png; ②函数 http://picflow.koolearn.com/upload/papers/20140824/20140824032112637495.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824032112793430.png上是减函数; ③如果当 http://picflow.koolearn.com/upload/papers/20140824/20140824032112809524.png时, http://picflow.koolearn.com/upload/papers/20140824/20140824032112637495.png的最大值是2,那么 http://picflow.koolearn.com/upload/papers/20140824/20140824032112825267.png的最大值为4; ④函数 http://picflow.koolearn.com/upload/papers/20140824/20140824032112840600.png最多有2个零点. 其中正确命题的序号是     (       )

    A.①②

    B.③④

    C.①②④

    D.②③④.

    开始考试点击查看答案
  • 4设函数 http://picflow.koolearn.com/upload/papers/20140824/20140824021621320447.png的导函数为 http://picflow.koolearn.com/upload/papers/20140824/20140824021621335466.png,对任意 http://picflow.koolearn.com/upload/papers/20140824/20140824021621335433.png都有 http://picflow.koolearn.com/upload/papers/20140824/20140824021621351618.png成立,则(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824021621367771.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824021621382744.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824021621398787.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824021621491597.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824021621507590.png的大小不确定

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  • 5已知不等式 http://picflow.koolearn.com/upload/papers/20140824/20140824024422847685.png的解集 http://picflow.koolearn.com/upload/papers/20140824/20140824024422862396.png,则函数 http://picflow.koolearn.com/upload/papers/20140824/201408240244228781138.png单调递增区间为(    )

    A.(-http://picflow.koolearn.com/upload/papers/20140824/20140824024422894639.png

    B.(-1,3)

    C.( -3,1)

    D.(http://picflow.koolearn.com/upload/papers/20140824/20140824024422894635.png

    开始考试点击查看答案
  • 6已知 http://picflow.koolearn.com/upload/papers/20140824/20140824021523475630.png都是定义在 http://picflow.koolearn.com/upload/papers/20140824/20140824021523490279.png上的函数, http://picflow.koolearn.com/upload/papers/20140824/20140824021523522587.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824021523537850.pnghttp://picflow.koolearn.com/upload/papers/20140824/201408240215235681062.pnghttp://picflow.koolearn.com/upload/papers/20140824/201408240215235841110.png,在有穷数列 http://picflow.koolearn.com/upload/papers/20140824/201408240215236001334.png中,任意取正整数 http://picflow.koolearn.com/upload/papers/20140824/20140824021523646650.png,则前 http://picflow.koolearn.com/upload/papers/20140824/20140824021523678312.png项和大于 http://picflow.koolearn.com/upload/papers/20140824/20140824021523693420.png的概率是 (    )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824021523709308.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824021523724370.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824021523740369.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824021523756346.png

    开始考试点击查看答案
  • 7若幂函数f(x)的图象过点( http://picflow.koolearn.com/upload/papers/20140824/20140824025116341413.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824025116357338.png),则函数g(x)= http://picflow.koolearn.com/upload/papers/20140824/20140824025116372322.pngf(x)的单调递减区间为(   )

    A.(-∞,0)

    B.(-∞,-2)

    C.(-2,-1)

    D.(-2,0)

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  • 8已知R上可导函数 http://picflow.koolearn.com/upload/papers/20140824/20140824025653114464.png的图象如图所示,则不等式 http://picflow.koolearn.com/upload/papers/20140824/20140824025653130893.png的解集为(  ) http://picflow.koolearn.com/upload/papers/g02/20141014/201410141333159694355.jpg 

    A.(-∞,-2)∪(1,+∞)

    B.(-∞,-2)∪(1,2)

    C.(-∞,-1)∪(-1,0)∪(2,+∞)

    D.(-∞,-1)∪(-1,1)∪(3,+∞)

    开始考试点击查看答案
  • 9定义在R上的函数 http://picflow.koolearn.com/upload/papers/20140824/20140824023847680447.png满足 http://picflow.koolearn.com/upload/papers/20140824/20140824023847711486.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824023847727479.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824023847680447.png的导函数,已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824023847758586.png的图象如图所示.若两正数 http://picflow.koolearn.com/upload/papers/20140824/20140824023847774396.png满足 http://picflow.koolearn.com/upload/papers/20140824/20140824023847789668.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824023847805544.png的取值范围是(  ) http://picflow.koolearn.com/upload/papers/20140824/201408240238478361850.png

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824023847852561.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824023847867891.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824023847883550.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824023847883545.png

    开始考试点击查看答案
  • 10如果函数 http://picflow.koolearn.com/upload/papers/20140824/20140824024045975832.png满足:对于任意的 http://picflow.koolearn.com/upload/papers/20140824/20140824024045991617.png,都有 http://picflow.koolearn.com/upload/papers/20140824/20140824024046084744.png恒成立,则 http://picflow.koolearn.com/upload/papers/20140824/20140824024046100283.png的取值范围是(   )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824024046116753.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824024046131936.png

    C.http://picflow.koolearn.com/upload/papers/20140824/201408240240461471231.png

    D.http://picflow.koolearn.com/upload/papers/20140824/201408240240461621221.png

    开始考试点击查看答案
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