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已知函数 http://picflow.koolearn.com/upload/papers/20140823/20140823222529619686.png的图像一部分如下方左图,则下方右图的函数图像所对应的解析式为 http://picflow.koolearn.com/upload/papers/20140823/201408232225296509000.png 

发布时间:2021-08-04

A.http://picflow.koolearn.com/upload/papers/20140823/20140823222529681762.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823222529712670.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823222529728724.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823222529743736.png

试卷相关题目

  • 1http://picflow.koolearn.com/upload/papers/20140823/20140823223533293564.png的图象的横坐标伸长为原来的3倍,纵坐标缩短为原来的 http://picflow.koolearn.com/upload/papers/20140823/20140823223533324327.png,则所得函数的解析式为(    )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823223533340647.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823223533371741.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823223533387727.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823223533402720.png

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  • 2已知ω>0, http://picflow.koolearn.com/upload/papers/20140823/20140823215308008538.png,直线 http://picflow.koolearn.com/upload/papers/20140823/20140823215308055500.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823215308086552.png是函数f(x)=sin(ωx+φ)图像的两条相邻的对称轴,则φ=

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823215308117394.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823215308133414.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823215308273419.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823215308398473.png

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  • 3若函数 http://picflow.koolearn.com/upload/papers/20140823/201408232326104781065.png在区间 http://picflow.koolearn.com/upload/papers/20140823/20140823232610493484.png内单调递减,则 http://picflow.koolearn.com/upload/papers/20140823/20140823232610509277.png的取值范围是 (    )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823232610540497.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823232610556514.png

    C.[1,3)

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823232610571376.png

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  • 4已知 http://picflow.koolearn.com/upload/papers/20140823/20140823213554038524.png,则函数 http://picflow.koolearn.com/upload/papers/20140823/20140823213554116882.png的零点个数为  (    )

    A.1

    B.2

    C.3

    D.4

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  • 5已知函数 http://picflow.koolearn.com/upload/papers/20140823/201408232215166471437.png,且关于 http://picflow.koolearn.com/upload/papers/20140823/20140823221516740266.png的方程 http://picflow.koolearn.com/upload/papers/20140823/20140823221517115691.png有且只有一个实根,则实数 http://picflow.koolearn.com/upload/papers/20140823/20140823221517224283.png的范围是(  )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823221517240550.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823221517255459.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823221517271479.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823221517302543.png

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  • 6如图(1)是反映某条公共汽车线路收支差额(即营运所得票价收入与付出成本 的差) http://picflow.koolearn.com/upload/papers/20140823/20140823230627075309.png与乘客量 http://picflow.koolearn.com/upload/papers/20140823/20140823230627091275.png之间关系的图象.由于目前该条公交线路亏损,公司有关人员提出了 两种调整的建议,如图(2)(3)所示. http://picflow.koolearn.com/upload/papers/20140823/201408232306271224644.png 给出下说法: ①图(2)的建议是:提高成本,并提高票价; ②图(2)的建议是:降低成本,并保持票价不变; ③图(3)的建议是:提高票价,并保持成本不变; ④图(3)的建议是:提高票价,并降低成本.其中所有说法正确的序号是(     )

    A.① ③

    B.①④

    C.② ③

    D.②④

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  • 7已知函数 http://picflow.koolearn.com/upload/papers/20140823/20140823231007972748.png满足 http://picflow.koolearn.com/upload/papers/20140823/20140823231007987616.png,且 http://picflow.koolearn.com/upload/papers/20140823/20140823231008003458.png时, http://picflow.koolearn.com/upload/papers/20140823/20140823231008019560.png,则函数 http://picflow.koolearn.com/upload/papers/20140823/20140823231008050562.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823231008065594.png的图象的交点个数为 (      )

    A.0个

    B.2个

    C.3个

    D.4个

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  • 8http://picflow.koolearn.com/upload/papers/20140823/20140823225849495348.png为常数,抛物线 http://picflow.koolearn.com/upload/papers/20140823/20140823225849527847.png,则当 http://picflow.koolearn.com/upload/papers/20140823/20140823225849495348.png分别取 http://picflow.koolearn.com/upload/papers/20140823/20140823225849558489.png时,在平面直角坐标系中图像最恰当的是(这里省略了坐标轴)(   ) http://picflow.koolearn.com/upload/papers/20140823/2014082322584957325926.png

    A.

    B.

    C.

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  • 9在同一平面直角坐标系中,函数 http://picflow.koolearn.com/upload/papers/20140823/20140823214913477550.png的图像与 http://picflow.koolearn.com/upload/papers/20140823/20140823214913493448.png的图像关于直线 http://picflow.koolearn.com/upload/papers/20140823/20140823214913508403.png对称,而函数 http://picflow.koolearn.com/upload/papers/20140823/20140823214913540561.png的图像与 http://picflow.koolearn.com/upload/papers/20140823/20140823214913477550.png的图像关于 http://picflow.koolearn.com/upload/papers/20140823/20140823214913586310.png轴对称,若 http://picflow.koolearn.com/upload/papers/20140823/20140823214913602501.png,则 http://picflow.koolearn.com/upload/papers/20140823/20140823214913633283.png的值是(   )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823214913649275.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823214913664328.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823214913696264.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823214913711303.png

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  • 10函数 http://picflow.koolearn.com/upload/papers/20140823/20140823221829260463.png的图像与直线 http://picflow.koolearn.com/upload/papers/20140823/20140823221829276383.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823221829307389.png以及 http://picflow.koolearn.com/upload/papers/20140823/20140823221829323266.png轴围成的曲边梯形的面积是(   )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823221829354367.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823221829385368.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823221829401334.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823221829416291.png

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