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如图中方程表示图中曲线的是(  ) http://picflow.koolearn.com/upload/papers/20140823/2014082319500838411864.png

发布时间:2021-08-04

A. 

B.  

C.   

试卷相关题目

  • 1函数 http://picflow.koolearn.com/upload/papers/20140823/20140823210827471944.png的图象如图所示,则不等式 http://picflow.koolearn.com/upload/papers/20140823/20140823210827502697.png的解集是 http://picflow.koolearn.com/upload/papers/20140823/201408232108275024721.png

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823210827518548.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823210827533797.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823210827596815.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823210827611551.png

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  • 2若点 http://picflow.koolearn.com/upload/papers/20140823/20140823204751184568.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823204751216364.png在函数 http://picflow.koolearn.com/upload/papers/20140823/20140823204751231857.png的图象上,则下列哪个函数的图象一定经过点 http://picflow.koolearn.com/upload/papers/20140823/20140823204751247518.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823204751262350.png  http://picflow.koolearn.com/upload/papers/20140823/20140823204751278346.png

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823204751325875.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823204751340871.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823204751356889.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823204751387866.png

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  • 3如图所示,液体从一圆锥形漏斗漏入一圆柱形桶中,开始时,漏斗盛满液体,经过3分钟漏完.已知圆柱中液面上升的速度是一个常量,H是圆锥形漏斗中液面下落的距离,则H与下落时间t(分)的函数关系表示的图象只可能是 http://picflow.koolearn.com/upload/papers/20140823/201408232021366894068.png http://picflow.koolearn.com/upload/papers/20140823/201408232021367205111.png    

    A.      

    B.      

    C.       

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  • 4已知函数f(x)的定义域为[-1,4],部分对应值如下表,f(x)的导函数 http://picflow.koolearn.com/upload/papers/20140823/20140823211151145588.png的图象如上右图所示。 http://picflow.koolearn.com/upload/papers/20140823/201408232111511762605.pngx-10234f(x)12020当1<a<2时,函数y=f(x)-a的零点的个数为 

    A.2  

    B.3   

    C.4   

    D.5

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  • 5函数 http://picflow.koolearn.com/upload/papers/20140823/201408232059356041819.png对任意的 http://picflow.koolearn.com/upload/papers/20140823/20140823205935635426.png都有 http://picflow.koolearn.com/upload/papers/20140823/201408232059356501049.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823205935666467.pngI成立,则 http://picflow.koolearn.com/upload/papers/20140823/20140823205935682468.png的最小值为

    A.3/4

    B.1

    C.2

    D.4

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  • 6如下左图是二次函数 http://picflow.koolearn.com/upload/papers/20140823/20140823211350329717.png的部分图象,则函数 http://picflow.koolearn.com/upload/papers/20140823/20140823211350345750.png在点(b,g(b))处切线的斜率的最小值是( )

    A.1

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823211350376344.png

    C.2

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823211350376386.png http://picflow.koolearn.com/upload/papers/20140823/201408232113503912263.png

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  • 7函数 http://picflow.koolearn.com/upload/papers/20140823/20140823204920963464.png的定义域为开区间 http://picflow.koolearn.com/upload/papers/20140823/20140823204920978489.png,导函数 http://picflow.koolearn.com/upload/papers/20140823/20140823204920994498.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823204920978489.png内的图象如图所示,则函数 http://picflow.koolearn.com/upload/papers/20140823/20140823204920963464.png在开区间 http://picflow.koolearn.com/upload/papers/20140823/20140823204920978489.png内有极小值点(  )

    A.1个

    B.2个

    C.3个

    D.4个http://picflow.koolearn.com/upload/papers/20140823/201408232049210722086.png

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  • 8已知右图是下列四个函数之一的图象,这个函数是

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823202358790783.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823202358805779.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823202358821746.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823202358837728.png http://picflow.koolearn.com/upload/papers/20140823/201408232023588524516.png

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  • 9已知函数 http://picflow.koolearn.com/upload/papers/20140823/20140823211354448812.png,其导数 http://picflow.koolearn.com/upload/papers/20140823/20140823211354463465.png的图象如右图,则函数 http://picflow.koolearn.com/upload/papers/20140823/20140823211354479447.png的极小值是(    ) http://picflow.koolearn.com/upload/papers/20140823/201408232113546822155.png

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823211354713476.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823211354744249.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823211354760532.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823211354775605.png

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  • 10已知函数 http://picflow.koolearn.com/upload/papers/20140823/201408232103493381606.png,这两个函数图象的交点个数为(   )

    A.1

    B.2

    C.3

    D.4

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