位置:首页 > 题库频道 > 学历类 > 升学考试 > 高中(高考) > 数学(文科) > 高中数学代数与函数一其他练习题901

设函数 http://picflow.koolearn.com/upload/papers/20140824/20140824055132480169.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824055132526775.png若当0 http://picflow.koolearn.com/upload/papers/20140824/20140824055132542560.png时, http://picflow.koolearn.com/upload/papers/20140824/20140824055132558917.png恒成立,则实数m的取值范围是 ( )

发布时间:2021-07-16

A.(0,1)

B.(-∞,0)

C.http://picflow.koolearn.com/upload/papers/20140824/20140824055132573605.png

D.(-∞,1)

试卷相关题目

  • 1已知定义在R上的函数f(x),其导函数f′(x)的大致图像如图所示,则下列叙述正确的是(  ) http://picflow.koolearn.com/upload/papers/20140824/201408240544239782230.jpg

    A.f(b)>f(c)>f(d)

    B.f(b)>f(a)>f(e)

    C.f(c)>f(b)>f(a)

    D.f(c)>f(e)>f(d)

    开始考试点击查看答案
  • 2已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824054519155894.png,则( )

    A.http://picflow.koolearn.com/upload/papers/20140824/201408240545191711254.png

    B.http://picflow.koolearn.com/upload/papers/20140824/201408240545191871241.png

    C.http://picflow.koolearn.com/upload/papers/20140824/201408240545192181241.png

    D.http://picflow.koolearn.com/upload/papers/20140824/201408240545192331260.png

    开始考试点击查看答案
  • 3等比数列{an}中,a1=2,a8=4,函数f(x)=x(x-a1)(x-a2)…(x-a8),则f′(0)=

    A.26

    B.29

    C.212

    D.215

    开始考试点击查看答案
  • 4已知二次函数f(x)=ax2+bx+c的导数为f′(x),f′(0)>0,对于任意实数x,有f(x)≥0,则http://picflow.koolearn.com/upload/papers/g02/20110104/20110104131550485998.gif的最小值为

    A.3

    B.http://picflow.koolearn.com/upload/papers/g02/20110104/20110104131701079881.gif

    C.2

    D.http://picflow.koolearn.com/upload/papers/g02/20110104/20110104131709063878.gif

    开始考试点击查看答案
  • 5定义方程f(x)= f′(x)的实数根x0叫做函数的“新驻点”,若函数g(x)=x,h(x)=ln(x+1),φ(x)=x3-1的“新驻点”分别为α,β,http://picflow.koolearn.com/upload/papers/g02/20110523/20110523114555756885.gif,则α,β,http://picflow.koolearn.com/upload/papers/g02/20111219/20111219091116001.gif的大小关系为

    A.α>β>http://picflow.koolearn.com/upload/papers/g02/20110523/20110523114555787885.gif

    B.β>α>http://picflow.koolearn.com/upload/papers/g02/20110523/20110523114555787885.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110523/20110523114555834885.gif>α>β

    D.α>http://picflow.koolearn.com/upload/papers/g02/20110523/20110523114555850885.gif>β

    开始考试点击查看答案
  • 6若定义在R上的函数f(x)的导函数为 http://picflow.koolearn.com/upload/papers/20140824/20140824060602353481.png,且满足 http://picflow.koolearn.com/upload/papers/20140824/20140824060602368634.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824060602400558.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824060602415684.png的大小关系为(  ).

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824060602400558.png<http://picflow.koolearn.com/upload/papers/20140824/20140824060602415684.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824060602400558.png=http://picflow.koolearn.com/upload/papers/20140824/20140824060602415684.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824060602400558.png>http://picflow.koolearn.com/upload/papers/20140824/20140824060602415684.png

    D.不能确定

    开始考试点击查看答案
  • 7若函数http://picflow.koolearn.com/upload/papers/g02/20110104/201101041147368131044.gif,则http://picflow.koolearn.com/upload/papers/g02/20110104/20110104114740766936.gif

    A.-7

    B.1

    C.-1

    D.7

    开始考试点击查看答案
  • 8设f(x)是定义在R上的偶函数,当x>0时,f(x)+x f′(x)>0,且f(1)=0,则不等式xf(x)>0的解集为

    A.(-1,0)∪(1,+∞)

    B.(-1,0)∪(0,1)

    C.(-∞,-1)∪(1,+∞)

    D.(-∞,-1)∪(0,1)

    开始考试点击查看答案
  • 9已知函数f(x)在x=1处的导数为3,则f(x)的解析式可能为

    A.http://picflow.koolearn.com/upload/papers/g02/20111126/201111261402450781117.gif

    B.f(x)=2(x-1)

    C.http://picflow.koolearn.com/upload/papers/g02/20111126/201111261402451091028.gif

    D.f(x)=x-1

    开始考试点击查看答案
  • 10设函数f(x)=http://picflow.koolearn.com/upload/papers/g02/20111124/20111124115732390943.gifx3+http://picflow.koolearn.com/upload/papers/g02/20111124/201111241157324061002.gifx2+tanθ,其中θ∈http://picflow.koolearn.com/upload/papers/g02/20111124/20111124115732421986.gif,则导数f′(1)的取值范围是

    A.[-2,2]

    B.http://picflow.koolearn.com/upload/papers/g02/20111124/20111124115732437978.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20111124/20111124115732468946.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20111124/20111124115732484946.gif

    开始考试点击查看答案
返回顶部