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函数 http://picflow.koolearn.com/upload/papers/20140823/20140823171245874756.png的图像大致是  http://picflow.koolearn.com/upload/papers/20140823/2014082317124589016908.png

发布时间:2021-08-04

A.

B.

C.

试卷相关题目

  • 1已知 http://picflow.koolearn.com/upload/papers/20140823/201408231907166411308.png,则下列选项中错误的是(   ) http://picflow.koolearn.com/upload/papers/20140823/2014082319071670472588.png

    A.①是http://picflow.koolearn.com/upload/papers/20140823/20140823190716719511.png的图象

    B.②是http://picflow.koolearn.com/upload/papers/20140823/20140823190716860480.png的图象

    C.③是http://picflow.koolearn.com/upload/papers/20140823/20140823190717141511.png的图象

    D.④是http://picflow.koolearn.com/upload/papers/20140823/20140823190717219489.png的图象

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  • 2函数f(x)=log 2x-x+2的零点个数为(  )

    A.4

    B.1

    C.2 

    D.3

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  • 3如图放置的边长为1的正方形PABC沿x轴滚动(向右为顺时针,向左为逆时针)。设顶点 http://picflow.koolearn.com/upload/papers/20140823/20140823191435423296.png(x,y)的轨迹方程是 http://picflow.koolearn.com/upload/papers/20140823/20140823191435455571.png,则关于 http://picflow.koolearn.com/upload/papers/20140823/20140823191435470464.png的最小正周期 http://picflow.koolearn.com/upload/papers/20140823/20140823191435486309.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823191435455571.png在其两个相邻零点间的图像与x轴所围区域的面积 http://picflow.koolearn.com/upload/papers/20140823/20140823191435517325.png的正确结论是(  ) http://picflow.koolearn.com/upload/papers/20140823/201408231914355485644.png

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823191435564384.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823191435579493.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823191435595491.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823191435611551.png 

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823191435564384.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823191435611551.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823191435595491.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823191435579493.png

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  • 4某同学对函数 http://picflow.koolearn.com/upload/papers/20140823/20140823191330137646.png进行研究后,得出以下五个结论:①函数 http://picflow.koolearn.com/upload/papers/20140823/20140823191330153577.png的图象是中心对称图形;②对任意实数 http://picflow.koolearn.com/upload/papers/20140823/20140823191330168272.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823191330184594.png均成立;③函数 http://picflow.koolearn.com/upload/papers/20140823/20140823191330153577.png的图象与 http://picflow.koolearn.com/upload/papers/20140823/20140823191330168272.png轴有无穷多个公共点,且任意相邻两点的距离相等;④函数 http://picflow.koolearn.com/upload/papers/20140823/20140823191330153577.png的图象与直线 http://picflow.koolearn.com/upload/papers/20140823/20140823191330371414.png有无穷多个公共点,且任意相邻两点的距离相等;⑤当常数 http://picflow.koolearn.com/upload/papers/20140823/20140823191330387311.png满足 http://picflow.koolearn.com/upload/papers/20140823/20140823191330402427.png时,函数 http://picflow.koolearn.com/upload/papers/20140823/20140823191330153577.png的图象与直线 http://picflow.koolearn.com/upload/papers/20140823/20140823191330434504.png有且仅有一个公共点。其中所有正确结论的序号是 (     )

    A.①②④

    B.①②③④

    C.①②④⑤

    D.①②③④⑤

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  • 5已知函数 http://picflow.koolearn.com/upload/papers/20140823/20140823191526061750.png的图像如图所示,则 http://picflow.koolearn.com/upload/papers/20140823/20140823191526092591.png的解集为 (     ) http://picflow.koolearn.com/upload/papers/20140823/201408231915261082859.png 

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823191526123854.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823191526217844.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823191526233850.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823191526467860.png

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  • 6若函数 http://picflow.koolearn.com/upload/papers/20140823/20140823191343616562.png在区间 http://picflow.koolearn.com/upload/papers/20140823/20140823191343631432.png上的图象为连续不断的曲线,则下列说法正确的是( )

    A.若 http://picflow.koolearn.com/upload/papers/20140823/20140823191343647684.png,不存在实数 http://picflow.koolearn.com/upload/papers/20140823/20140823191343662564.png使得 http://picflow.koolearn.com/upload/papers/20140823/20140823191343678486.png

    B.若 http://picflow.koolearn.com/upload/papers/20140823/20140823191343694676.png,存在且只存在一个实数 http://picflow.koolearn.com/upload/papers/20140823/20140823191343662564.png使得 http://picflow.koolearn.com/upload/papers/20140823/20140823191343678486.png

    C.若 http://picflow.koolearn.com/upload/papers/20140823/20140823191343647684.png,有可能存在实数 http://picflow.koolearn.com/upload/papers/20140823/20140823191343662564.png使得 http://picflow.koolearn.com/upload/papers/20140823/20140823191343678486.png

    D.若 http://picflow.koolearn.com/upload/papers/20140823/20140823191343694676.png,有可能不存在实数 http://picflow.koolearn.com/upload/papers/20140823/20140823191343662564.png使得 http://picflow.koolearn.com/upload/papers/20140823/20140823191343678486.png

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  • 7若直线 http://picflow.koolearn.com/upload/papers/20140823/20140823192740542493.png与曲线 http://picflow.koolearn.com/upload/papers/20140823/20140823192740557718.png有公共点,则 http://picflow.koolearn.com/upload/papers/20140823/20140823192740573271.png的取值范围是(    )

    A.[http://picflow.koolearn.com/upload/papers/20140823/20140823192740713451.png,3]

    B.[http://picflow.koolearn.com/upload/papers/20140823/20140823192740713451.png,http://picflow.koolearn.com/upload/papers/20140823/20140823192740744454.png]

    C.[http://picflow.koolearn.com/upload/papers/20140823/20140823192740760410.png,3]

    D.[-1,http://picflow.koolearn.com/upload/papers/20140823/20140823192740744454.png]

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