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http://picflow.koolearn.com/upload/papers/20140823/20140823231021840869.png已知 http://picflow.koolearn.com/upload/papers/20140823/20140823231021887447.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823231022043391.png时取得极值,则 http://picflow.koolearn.com/upload/papers/20140823/20140823231022246278.png等于(  )

发布时间:2021-07-15

A.2

B.3

C.4

D.5

试卷相关题目

  • 1.函数 http://picflow.koolearn.com/upload/papers/20140823/201408232302111411202.png的最大值是(    )

    A.1

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823230211157396.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823230211188653.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823230211204561.png

    开始考试点击查看答案
  • 2已知 http://picflow.koolearn.com/upload/papers/20140823/20140823225857077796.png有两个极值点 http://picflow.koolearn.com/upload/papers/20140823/20140823225857093300.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823225857124331.png,且 http://picflow.koolearn.com/upload/papers/20140823/20140823225857139447.png在区间(0,1)上有极大值,无极小值,则 http://picflow.koolearn.com/upload/papers/20140823/20140823225857155278.png的取值范围是(   ) 

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823225857171509.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823225857264522.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823225857295522.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823225857311519.png

    开始考试点击查看答案
  • 3函数 http://picflow.koolearn.com/upload/papers/20140823/20140823222421712447.png的定义域为区间 http://picflow.koolearn.com/upload/papers/20140823/20140823222421743476.png,导函数 http://picflow.koolearn.com/upload/papers/20140823/20140823222421759479.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823222421743476.png内的图象如图,则函数 http://picflow.koolearn.com/upload/papers/20140823/20140823222421712447.png在开区间 http://picflow.koolearn.com/upload/papers/20140823/20140823222421743476.png极小值点有(     ) http://picflow.koolearn.com/upload/papers/20140823/201408232224218371524.png

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823222422024206.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823222422086291.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823222422227287.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823222422242248.png

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  • 4函数 http://picflow.koolearn.com/upload/papers/20140823/20140823225926280601.png在区间 http://picflow.koolearn.com/upload/papers/20140823/20140823225926296418.png的最大值为(    )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823225926311306.png

    B.-1

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823225926343269.png

    D.1

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  • 5要做一个圆锥形漏斗,其母线长为20厘米,要使其体积最大,则其高应为( )厘米

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824015115371562.png

    B.100

    C.20

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824015115387462.png

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  • 6对于三次函数 http://picflow.koolearn.com/upload/papers/20140824/20140824020413547936.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824020413563491.png,给出定义:设 http://picflow.koolearn.com/upload/papers/20140824/20140824020413578466.png是函数 http://picflow.koolearn.com/upload/papers/20140824/20140824020413610562.png的导数, http://picflow.koolearn.com/upload/papers/20140824/20140824020413656479.png是函数 http://picflow.koolearn.com/upload/papers/20140824/20140824020413578466.png的导数,若方程 http://picflow.koolearn.com/upload/papers/20140824/20140824020413688552.png有实数解 http://picflow.koolearn.com/upload/papers/20140824/20140824020413703324.png,则称点 http://picflow.koolearn.com/upload/papers/20140824/20140824020413735601.png为函数 http://picflow.koolearn.com/upload/papers/20140824/20140824020413610562.png的“拐点”。某同学经过探究发现:任何一个一元三次函数都有“拐点”;且该“拐点”也为该函数的对称中心.若 http://picflow.koolearn.com/upload/papers/20140824/20140824020413766965.png,则 http://picflow.koolearn.com/upload/papers/20140824/201408240204137811123.png(    )

    A.1

    B.2

    C.2013

    D.2014

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  • 7函数 http://picflow.koolearn.com/upload/papers/20140824/20140824014922287544.png的最大值为(   )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824014922318294.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824014922333264.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824014922365331.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824014922380417.png

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  • 8已知函数 http://picflow.koolearn.com/upload/papers/20140823/201408232351548181447.png,且函数 http://picflow.koolearn.com/upload/papers/20140823/20140823235154834447.png在区间(0,1)内取得极大值,在区间(1,2)内取得极小值,则 http://picflow.koolearn.com/upload/papers/20140823/20140823235154912697.png的取值范围为(    )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823235154927595.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823235154959549.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823235154974458.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823235155005439.png

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  • 9已知函数 http://picflow.koolearn.com/upload/papers/20140824/201408240124425301017.png的极大值点和极小值点都在区间 http://picflow.koolearn.com/upload/papers/20140824/20140824012442546419.png内,则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824012442562283.png的取值范围是(    )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824012442562451.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824012442577477.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824012442593506.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824012442624540.png

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  • 10函数 http://picflow.koolearn.com/upload/papers/20140824/20140824010234703691.png在闭区间[-3,0]上的最大值、最小值分别是( ) 

    A.1,-1

    B.3,-17

    C.1,-17

    D.9,-19

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