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高中数学代数与函数一其他练习题111

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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:0
  • 作答时间:60分钟

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高中数学代数与函数一其他练习题111

试卷预览

  • 21设变量 http://picflow.koolearn.com/upload/papers/20140824/20140824034251418266.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824034251418310.png满足约束条件 http://picflow.koolearn.com/upload/papers/20140824/201408240342514331066.png,则目标函数 http://picflow.koolearn.com/upload/papers/20140824/20140824034251449548.png的最小值为(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824034251464291.png     

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824034251480248.png     

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824034251496290.png   

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824034251496325.png

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  • 22已知 http://picflow.koolearn.com/upload/papers/20140824/20140824034725120731.png表示的平面区域包含点 http://picflow.koolearn.com/upload/papers/20140824/20140824034725136421.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824034725136410.png,则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824034725151339.png的取值范围是(    )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824034725167466.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824034725183460.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824034725198452.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824034725198497.png

    开始考试练习点击查看答案
  • 23若变量 http://picflow.koolearn.com/upload/papers/20140824/20140824040105604403.png满足约束条件 http://picflow.koolearn.com/upload/papers/20140824/20140824040105619939.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824040105635550.png的最大值是(   )

    A.2

    B.3

    C.4

    D.5

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  • 24若关于 http://picflow.koolearn.com/upload/papers/20140824/20140824035441266266.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824035441281310.png的不等式组 http://picflow.koolearn.com/upload/papers/20140824/201408240354413131137.png表示的平面区域是一个三角形,则 http://picflow.koolearn.com/upload/papers/20140824/20140824035441328283.png的取值范围是(    )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824035441344392.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824035441359405.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824035441391486.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824035441344392.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824035441359405.png

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  • 25设关于x,y的不等式组 http://picflow.koolearn.com/upload/papers/20140824/201408240405534711179.png表示的平面区域内存在点P(x 0,y 0),满足x 0-2y 0=2.求得m的取值范围是(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824040553487746.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824040553502727.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824040553596776.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824040553611768.png

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  • 26已知点 http://picflow.koolearn.com/upload/papers/20140824/20140824042954851533.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824042954867514.png,直线 http://picflow.koolearn.com/upload/papers/20140824/20140824042954867650.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824042954898633.png与线段 http://picflow.koolearn.com/upload/papers/20140824/20140824042954898396.png相交,则 http://picflow.koolearn.com/upload/papers/20140824/20140824042954913629.png的最小值为(    )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824042954929452.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824042954945370.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824042954960483.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824042954976346.png

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  • 27若实数 http://picflow.koolearn.com/upload/papers/20140824/20140824041747890403.png满足 http://picflow.koolearn.com/upload/papers/20140824/20140824041747905611.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824041747921610.png的取值范围是(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824041747937577.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824041747952560.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824041747968575.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824041747968650.png

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  • 28设不等式组 http://picflow.koolearn.com/upload/papers/20140824/201408240347105031382.png表示的平面区域为 D.若指数函数 y= ax的图象上存在区域 D上的点,则 a的取值范围是(  ).

    A.(1,3]

    B.[2,3]

    C.(1,2]

    D.[3,+∞)

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  • 29某公司生产甲,乙两种桶装产品,已知生产甲产品1桶需耗A原料1千克,B原料2千克;生产乙产品1桶需耗A原料2千克,B原料1千克.每桶甲产品的利润是300元,每桶乙产品的利润是400元.公司在生产这两种产品的计划中,要求每天消耗A,B原料都不超过12千克.通过合理安排生产计划,从每天生产的甲,乙两种产品中,公司可获得的最大利润是(  )

    A.2200元

    B.2400元

    C.2600元

    D.2800元

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  • 30变量 http://picflow.koolearn.com/upload/papers/20140824/20140824040055947432.png满足约束条件 http://picflow.koolearn.com/upload/papers/20140824/201408240400559781041.png,若使 http://picflow.koolearn.com/upload/papers/20140824/20140824040055994528.png取得最大值的最优解有无数个,则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824040056072283.png的取值集合是(      )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824040056088495.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824040056134461.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824040056150440.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824040056166520.png

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