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函数f(x)的图象如图所示,下列数值排序正确的是 http://picflow.koolearn.com/upload/papers/g02/20120923/201209231448580004684.png

发布时间:2021-07-15

A.0<f′(2)<f′(3)<f(3)﹣f(2)

B.0<f′(3)<f(3)﹣f(2)<f′(2)

C.0<f(3)<f′(2)<f(3)﹣f(2)

D.0<f(3)﹣f(2)<f′(2)<f′(3)

试卷相关题目

  • 1下列结论中正确的是(  )

    A.导数为零的点一定是极值点

    B.如果在x0附近的左侧f′(x)>0,右侧f′(x)<0,那么f(x0)是极大值

    C.如果在x0附近的左侧f′(x)>0,右侧f′(x)<0,那么f(x0)是极小值

    D.如果在x0附近的左侧f′(x)<0,右侧f′(x)>0,那么f(x0)是极大值

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  • 2已知f(x),g(x)在[m,n]上可导,且f′(x)<g′(x),则当m<x<n时,有

    A.f(x)<g(x)

    B.f(x)>g(x)

    C.f(x)+g(n)<g(x)+f(n)

    D.f(x)+g(m)<g(x)+f(m)

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  • 3已知f"(x)是函数f(x)的导数,y=f"(x)的图象如图所示,则y=f(x)的图象最有可能是图中  http://picflow.koolearn.com/upload/papers/g02/20120904/201209042058429453020.png

    A.http://picflow.koolearn.com/upload/papers/g02/20120904/201209042058429752726.png

    B.http://picflow.koolearn.com/upload/papers/g02/20120904/201209042058430053276.png

    C.http://picflow.koolearn.com/upload/papers/g02/20120904/201209042058430362661.png

    D.http://picflow.koolearn.com/upload/papers/g02/20120904/201209042058430673365.png

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  • 4若函数f(x)在区间(a,b)内函数的导数为正,且f(b)≤0,则函数f(x)在(a,b)内有(  )

    A.f(x)>0

    B.f(x)<0

    C.f(x)=0

    D.无法确定

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  • 5若在区间(a,b)内有f′(x)>0且f(a)≥0,则在(a,b)内有(  )

    A.f(x)>0

    B.f(x)<0

    C.f(x)=0

    D.不能确定

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  • 6幂指函数y=[f(x)]g(x)在求导时,可运用对数法:在函数解析式两边求对数得lny=g(x)lnf(x),两边同时求导得http://picflow.koolearn.com/upload/papers/g02/20120922/20120922190706814314.png=g"(x)lnf(x)+g(x)http://picflow.koolearn.com/upload/papers/g02/20120922/20120922190706931467.png,于是y"=[f(x)]g(x)[g"(x)lnf(x)+g(x)http://picflow.koolearn.com/upload/papers/g02/20120922/20120922190707084467.png],运用此方法可以探求得知http://picflow.koolearn.com/upload/papers/g02/20120922/20120922190707201937.png的一个单调递增区间为 

    A.(0,2)

    B.(2,3)

    C.(e,4)

    D.(3,8)

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  • 7http://picflow.koolearn.com/upload/papers/g02/20120918/201209181734236903778.png上是减函数,则b的取值范围是

    A.[﹣1,+∞)

    B.(﹣1,+∞)

    C.(﹣∞,﹣1]

    D.(﹣∞,﹣1)

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  • 8已知函数f(x)=http://picflow.koolearn.com/upload/papers/g02/20120905/20120905092025331575.pngx3+ax2﹣bx+1(a、b∈R)在区间[﹣1,3]上是减函数,则a+b的最小值是 

    A.http://picflow.koolearn.com/upload/papers/g02/20120905/20120905092025354609.png

    B.http://picflow.koolearn.com/upload/papers/g02/20120905/20120905092025380627.png

    C.2

    D.3

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  • 9已知函数f(x),g(x)的导函数的图象如图所示,f(x),g(x)的图象可能是(  )

    A. 魔方格

    B. 魔方格

    C. 魔方格

    D. 魔方格魔方格

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  • 10已知函数y=f(x-1)的图象关于点(1,0)对称,且当http://picflow.koolearn.com/upload/papers/g02/20121006/201210061659591451169.png时,http://picflow.koolearn.com/upload/papers/g02/20121006/201210061659593351700.png成立,(其中f′(x)是f(x)的导函数),若http://picflow.koolearn.com/upload/papers/g02/20121006/201210061659594921684.pnghttp://picflow.koolearn.com/upload/papers/g02/20121006/201210061659596462199.pnghttp://picflow.koolearn.com/upload/papers/g02/20121006/201210061659598342584.png,则a,b,c的大小关系是

    A.http://picflow.koolearn.com/upload/papers/g02/20121006/20121006165959988923.png

    B.http://picflow.koolearn.com/upload/papers/g02/20121006/20121006170000461949.png

    C.http://picflow.koolearn.com/upload/papers/g02/20121006/20121006170000597940.png

    D.http://picflow.koolearn.com/upload/papers/g02/20121006/20121006170000822927.png

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