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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(  )

发布时间:2021-07-16

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

试卷相关题目

  • 1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
  • 2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
  • 3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
  • 4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
  • 5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(   )

    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

    开始考试点击查看答案
  • 6已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824021829474561.png的定义域为 http://picflow.koolearn.com/upload/papers/20140824/20140824021829490303.png,满足 http://picflow.koolearn.com/upload/papers/20140824/20140824021829505733.png且函数 http://picflow.koolearn.com/upload/papers/20140824/20140824021829536655.png为偶函数, http://picflow.koolearn.com/upload/papers/20140824/201408240218295521133.png,则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824021829568450.png的大小关系是(   )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824021829599480.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824021829614479.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824021829630481.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824021829646484.png

    开始考试点击查看答案
  • 7已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824031448658936.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824031448674292.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824031448690300.png点处取到极值,其中 http://picflow.koolearn.com/upload/papers/20140824/20140824031448674292.png是坐标原点, http://picflow.koolearn.com/upload/papers/20140824/20140824031448690300.png在曲线 http://picflow.koolearn.com/upload/papers/20140824/201408240314487361351.png上,则曲线 http://picflow.koolearn.com/upload/papers/20140824/20140824031448752562.png的切线的斜率的最大值是(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824031448752474.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824031448783388.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824031448799683.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824031448814669.png

    开始考试点击查看答案
  • 8已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824030856847680.png,若 http://picflow.koolearn.com/upload/papers/20140824/20140824030856862490.png,且 http://picflow.koolearn.com/upload/papers/20140824/20140824030856878619.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824030856893412.png的最小值是(  )

    A.-16

    B.-12

    C.-10

    D.-8

    开始考试点击查看答案
  • 9已知 http://picflow.koolearn.com/upload/papers/20140824/20140824023502041464.png为定义在 http://picflow.koolearn.com/upload/papers/20140824/20140824023502057529.png上的可导函数, http://picflow.koolearn.com/upload/papers/20140824/20140824023502073635.png对于 http://picflow.koolearn.com/upload/papers/20140824/20140824023502088437.png恒成立,且 http://picflow.koolearn.com/upload/papers/20140824/20140824023502104267.png为自然对数的底数,则(    )

    A.http://picflow.koolearn.com/upload/papers/20140824/201408240235021191159.png

    B.http://picflow.koolearn.com/upload/papers/20140824/201408240235021351065.png

    C.http://picflow.koolearn.com/upload/papers/20140824/201408240235021511092.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824023502166831.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824023502182809.png的大小不能确定

    开始考试点击查看答案
  • 10可导函数 http://picflow.koolearn.com/upload/papers/20140824/20140824033140149452.png的导函数为 http://picflow.koolearn.com/upload/papers/20140824/20140824033140149454.png,且满足:① http://picflow.koolearn.com/upload/papers/20140824/20140824033140164672.png;② http://picflow.koolearn.com/upload/papers/20140824/20140824033140180717.png,记 http://picflow.koolearn.com/upload/papers/20140824/20140824033140195587.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824033140211645.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824033140227577.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824033140258434.png的大小顺序为(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824033140273462.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824033140289457.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824033140289461.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824033140305461.png

    开始考试点击查看答案
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