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高中数学代数与函数一函数练习题86

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  • 卷面总分:100分
  • 试卷类型:真题试卷
  • 测试费用:¥5.00
  • 试卷答案:有
  • 练习次数:1
  • 作答时间:60分钟

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高中数学代数与函数一函数练习题86

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  • 51如图表示一位骑自行车者与一位骑摩托车者在相距80km的两城镇间旅行的函数图象,由图中信息,判断以下说法正确的序号为 ①骑自行车者比骑摩托车者早出发3小时,晚到 1小时; ②骑自行车者是变速运动,骑摩托车者是匀速运动; ③骑摩托车者出发后1.5小时后追上了骑自行车者。http://picflow.koolearn.com/upload/papers/g02/20110406/201104061019249252234.gif

    A.①③

    B.①②③

    C.②③

    D.①②

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  • 52已知函数 http://picflow.koolearn.com/upload/papers/20140823/201408231545449351027.gif是连续函数,则实数 http://picflow.koolearn.com/upload/papers/20140823/20140823154544982192.gif的值是

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823154545013147.gif

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823154545029134.gif

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823154545060153.gif

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823154545076197.gif

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  • 53若实数x,y满足|x-1|-lghttp://picflow.koolearn.com/upload/papers/g02/20110418/20110418145632734884.gif=0,则y关于x的函数的图象形状大致是

    A.http://picflow.koolearn.com/upload/papers/g02/20110418/201104181456327501306.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110418/201104181456327651304.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110418/201104181456327651405.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110418/201104181456327811438.gif

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  • 54设函数 http://picflow.koolearn.com/upload/papers/20140823/20140823120214777885.gif在点 http://picflow.koolearn.com/upload/papers/20140823/20140823120214809226.gif处连续,则实数 http://picflow.koolearn.com/upload/papers/20140823/20140823120214824192.gif的值是(  )

    A.2

    B.1

    C.3

    D.-2

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  • 55设函数http://picflow.koolearn.com/upload/papers/g02/20111206/201112061152006091455.gif,在x=2处连续,则a=

    A.http://picflow.koolearn.com/upload/papers/g02/20111206/20111206115200625898.gif

    B.-http://picflow.koolearn.com/upload/papers/g02/20111206/20111206115200656881.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20111206/20111206115200687881.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20111206/20111206115200718882.gif

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  • 56函数http://picflow.koolearn.com/upload/papers/g02/20110127/20110127163304472948.gif的图像大致是

    A.http://picflow.koolearn.com/upload/papers/g02/20110127/201101271635521131352.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110127/201101271636017691375.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110127/201101271636126131348.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110127/201101271636242221374.gif

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  • 57下列四个图象所表示的函数,在点x=0处连续的是

    A.http://picflow.koolearn.com/upload/papers/g02/20110907/201109070919494751269.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110907/201109070919495061223.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110907/201109070919495221243.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110907/201109070919495531247.gif

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  • 58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/g02/20110520/201105201045537721273.gif

    A.http://picflow.koolearn.com/upload/papers/g02/20110520/201105201045537721222.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110520/201105201045537871224.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110520/201105201045537871251.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110520/201105201045538031206.gif

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  • 59某学生离家去学校, 因怕迟到, 一开始就跑步, 等跑累了再走余下的路程。用纵坐标表示他离学校的距离, 横坐标表示他出发后的时间, 则符合该学生走法的图象大致是

    A.http://picflow.koolearn.com/upload/papers/g02/20110628/201106281406364021169.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110628/201106281406365271174.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110628/201106281406366361176.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110628/201106281406366361167.gif

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  • 60已知函数f(x)的定义域A={x|0≤x≤2},值域B={y|1≤y≤2},下列选项中,能表示f(x)的图象的只可能是

    A.http://picflow.koolearn.com/upload/papers/g02/20110816/201108160931227181432.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110816/201108160931227341364.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110816/201108160931227341374.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110816/201108160931227811364.gif

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