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已知函数f(x)的导函数f "(x)的图象如图所示,那么函数f(x)的图象最有可能的是http://picflow.koolearn.com/upload/papers/g02/20120826/201208261748455353807.png

发布时间:2021-07-15

A.http://picflow.koolearn.com/upload/papers/g02/20120826/201208261748455663531.png

B.http://picflow.koolearn.com/upload/papers/g02/20120826/201208261748455973479.png

C.http://picflow.koolearn.com/upload/papers/g02/20120826/201208261748456283489.png

D.http://picflow.koolearn.com/upload/papers/g02/20120826/201208261748456633399.png

试卷相关题目

  • 1函数f(x)的定义域为开区间(a,b),导函数f"(x)在(a,b)内的图象如图所示,则函数f(x)在开区间(a,b)内有极小值点的个数为http://picflow.koolearn.com/upload/papers/g02/20120827/201208271101355315430.png

    A.1

    B.2

    C.3

    D.4

    开始考试点击查看答案
  • 2已知函数f(x)=lnx+http://picflow.koolearn.com/upload/papers/g02/20120505/20120505114306266348.png,其中a为大于零的常数,若函数f(x)在区间[1,+∞)内单递增,则a的取值范围是

    A.(-∞,1]

    B.(-∞,-1]

    C.[1,+∞)

    D.[-1,+∞)

    开始考试点击查看答案
  • 3设f′(x)是函数f(x)的导函数,将y=f(x)和y=f′(x)的图象画在同一个直角坐标系中,不可能正确的是 

    A.http://picflow.koolearn.com/upload/papers/g02/20120821/201208211908396966366.png

    B.http://picflow.koolearn.com/upload/papers/g02/20120821/201208211908397595953.png

    C.http://picflow.koolearn.com/upload/papers/g02/20120821/201208211908398186084.png

    D.http://picflow.koolearn.com/upload/papers/g02/20120821/201208211908398787049.png

    开始考试点击查看答案
  • 4函数f(x)=(x﹣3)ex的单调递增区间是

    A.(﹣∞,2)

    B.(0,3)

    C.(1,4)

    D.(2,+∞)

    开始考试点击查看答案
  • 5若函数f(x)=2x2﹣lnx在其定义域内的一个子区间(k-1,k+1)内不是单调函数,则实数k的取值范围是

    A.[1,+http://picflow.koolearn.com/upload/papers/g02/20120708/20120708223251137212.png

    B.http://picflow.koolearn.com/upload/papers/g02/20120726/20120726162530612735.pnghttp://picflow.koolearn.com/upload/papers/g02/20120726/20120726162530651920.png

    C.[1,2)

    D.http://picflow.koolearn.com/upload/papers/g02/20120726/201207261625306651086.pnghttp://picflow.koolearn.com/upload/papers/g02/20120726/20120726162530680612.png

    开始考试点击查看答案
  • 6函数http://picflow.koolearn.com/upload/papers/g02/20120705/20120705202508754443.png在区间http://picflow.koolearn.com/upload/papers/g02/20120705/20120705202508809473.png内函数的导数为正,且http://picflow.koolearn.com/upload/papers/g02/20120705/20120705202508865454.png≤0,则函数http://picflow.koolearn.com/upload/papers/g02/20120705/20120705202508920443.pnghttp://picflow.koolearn.com/upload/papers/g02/20120705/20120705202508976473.png 内有

    A.http://picflow.koolearn.com/upload/papers/g02/20120705/20120705202509030443.png<0

    B.http://picflow.koolearn.com/upload/papers/g02/20120705/20120705202509085443.png>0

    C.http://picflow.koolearn.com/upload/papers/g02/20120705/20120705202509141443.png = 0

    D.无法确定

    开始考试点击查看答案
  • 7若函数f(x)=2x2﹣lnx在其定义域内的一个子区间(k﹣1,k+1)内不是单调函数,则实数k的取值范围是  

    A.[1,+∞)

    B.http://picflow.koolearn.com/upload/papers/g02/20120819/201208191246397381508.png

    C.[1,2)

    D.http://picflow.koolearn.com/upload/papers/g02/20120819/201208191246397881576.png

    开始考试点击查看答案
  • 8设函数f(x)=x3+sinx,若http://picflow.koolearn.com/upload/papers/g02/20120826/20120826153636195790.png 时,f(mcosθ)+f(1﹣m)>0恒成立,则实数m的取值范围是  

    A.(0,1]

    B.(﹣∞,1)

    C.(﹣∞,1]

    D.http://picflow.koolearn.com/upload/papers/g02/20120826/20120826153636230699.png

    开始考试点击查看答案
  • 9三次函数f(x)=mx3﹣x在(-∞,+∞)上是减函数,则m的取值范围是

    A.m<0

    B.m<1

    C.m≤0

    D.m≤1

    开始考试点击查看答案
  • 10若f(x)=x2﹣2x﹣4lnx,则f(x)的单调递增区间为

    A.(﹣1,0)

    B.(﹣1,0)∪(2,+∞)

    C.(2,+∞)

    D.(0,+∞)

    开始考试点击查看答案
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