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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(    )

发布时间:2021-07-19

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

试卷相关题目

  • 1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

    开始考试点击查看答案
  • 2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

    开始考试点击查看答案
  • 3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

    开始考试点击查看答案
  • 4设变量 http://picflow.koolearn.com/upload/papers/20140824/20140824041822865403.png满足条件 http://picflow.koolearn.com/upload/papers/20140824/201408240418228811028.png则点 http://picflow.koolearn.com/upload/papers/20140824/20140824041822896667.png所在区域的面积为(  )

    A.4

    B.6

    C.8

    D.10

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  • 5若原点和点 http://picflow.koolearn.com/upload/papers/20140824/20140824042700677474.png分别在直线 http://picflow.koolearn.com/upload/papers/20140824/20140824042700692556.png的两侧,则 http://picflow.koolearn.com/upload/papers/20140824/20140824042700708283.png的取值范围是

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824042700739456.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824042700739437.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824042700755369.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824042700770337.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824042700786387.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824042700802370.png

    开始考试点击查看答案
  • 6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

    开始考试点击查看答案
  • 7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

    开始考试点击查看答案
  • 8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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  • 9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,+∞)

    开始考试点击查看答案
  • 10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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