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851

函数 http://picflow.koolearn.com/upload/papers/20140823/20140823121308122718.gifhttp://picflow.koolearn.com/upload/papers/20140823/20140823121308138415.gif上是增函数,则实数 http://picflow.koolearn.com/upload/papers/20140823/20140823121308294192.gif的取值范围是(       )

发布时间:2021-07-16

A.http://picflow.koolearn.com/upload/papers/20140823/20140823121308403253.gif

B.http://picflow.koolearn.com/upload/papers/20140823/20140823121308419240.gif

C.http://picflow.koolearn.com/upload/papers/20140823/20140823121308434374.gif

D.http://picflow.koolearn.com/upload/papers/20140823/20140823121308450294.gif

试卷相关题目

  • 1函数f(x)=ax3+bx2+cx+d的图象如图,且|x1|<|x2|,则有(  ) http://picflow.koolearn.com/upload/papers/20140611/201406111307542577014.png

    A.a>0,b>0,c<0,d>0

    B.a<0,b>0,c<0,d>0

    C.a>0,b<0,c>0,d<0

    D.a<0,b<0,c>0,d>0

    开始考试点击查看答案
  • 2已知定义在R上的奇函数f(x),f(1)=2,对任意的x>0,f"(x)>2,则不等式f(x)>2x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
  • 3函数 http://picflow.koolearn.com/upload/papers/20140823/20140823121244894622.gif,其中 http://picflow.koolearn.com/upload/papers/20140823/20140823121244909260.gif为实数,当 http://picflow.koolearn.com/upload/papers/20140823/20140823121244925434.gif时, http://picflow.koolearn.com/upload/papers/20140823/20140823121245050270.gifhttp://picflow.koolearn.com/upload/papers/20140823/20140823121245065204.gif上是(      )

    A.增函数

    B.减函数

    C.常数

    D.无法确定函数的单调性

    开始考试点击查看答案
  • 4下列区间是函数 http://picflow.koolearn.com/upload/papers/20140823/20140823121124850504.gif的一个减区间的是(      )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823121124866293.gif

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823121124928296.gif

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823121124944422.gif

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823121124975426.gif

    开始考试点击查看答案
  • 5定义在 http://picflow.koolearn.com/upload/papers/20140823/20140823121640002204.gif上的函数 http://picflow.koolearn.com/upload/papers/20140823/20140823121640142287.gif满足 http://picflow.koolearn.com/upload/papers/20140823/20140823121640173582.gif,当 http://picflow.koolearn.com/upload/papers/20140823/20140823121640204234.gif时, http://picflow.koolearn.com/upload/papers/20140823/20140823121640142287.gif单调递增,如果 http://picflow.koolearn.com/upload/papers/20140823/20140823121640236414.gif,且 http://picflow.koolearn.com/upload/papers/20140823/20140823121640251599.gif,则 http://picflow.koolearn.com/upload/papers/20140823/20140823121640267536.gif的值为(   )

    A.恒小于http://picflow.koolearn.com/upload/papers/20140823/20140823121640298197.gif

    B.恒大于http://picflow.koolearn.com/upload/papers/20140823/20140823121640298197.gif

    C.可能为http://picflow.koolearn.com/upload/papers/20140823/20140823121640298197.gif

    D.可正可负

    开始考试点击查看答案
  • 6http://picflow.koolearn.com/upload/papers/20140823/20140823121123243244.gif时, http://picflow.koolearn.com/upload/papers/20140823/20140823121123274408.gif,则 http://picflow.koolearn.com/upload/papers/20140823/20140823121123290270.gif的单调减区间是(       )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823121123462422.gif

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823121123477485.gif

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823121123508471.gif

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823121123633296.gif

    开始考试点击查看答案
  • 7已知函数f(x)=x2+2x+alnx在(0,1)上单调,则实数a的取值范围是(  )

    A.a≥0

    B.a≤-4

    C.a≤-4或a≥0

    D.-4≤a≤0

    开始考试点击查看答案
  • 8若函数 http://picflow.koolearn.com/upload/papers/20140823/20140823120215121508.gif上可导且 http://picflow.koolearn.com/upload/papers/20140823/20140823120215136691.gif时,下列不等式一定成立的是(  )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823120215152451.gif

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823120215167450.gif

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823120215183446.gif

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823120215199451.gif

    开始考试点击查看答案
  • 9已知函数f(x)=在x=1处取极值,则a等于(  )

    A.5

    B.4

    C.3

    D.2

    开始考试点击查看答案
  • 10设函数y=f(x)在定义域内的导函数为y=f′(x),y=f(x)的图象如图1所示,则y=f′(x)的图象可能为(  )

    A.http://picflow.koolearn.com/upload/papers/20140611/201406111409145691269.png

    B.http://picflow.koolearn.com/upload/papers/20140611/201406111409153331125.png

    C.http://picflow.koolearn.com/upload/papers/20140611/201406111409159571141.png

    D.http://picflow.koolearn.com/upload/papers/20140611/201406111409160201026.png http://picflow.koolearn.com/upload/papers/20140611/20140611140916082985.png

    开始考试点击查看答案
返回顶部