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如图,直线l和圆C,当l从l0开始在平面上绕O匀速旋转(旋转角度不超过90°)时,它扫过的圆内阴影部分的面积S是时间t的函数,则这个函数的图象大致是http://picflow.koolearn.com/upload/papers/g02/20120217/201202171117167082697.gif

发布时间:2021-08-04

A.http://picflow.koolearn.com/upload/papers/g02/20120217/201202171117167151384.gif

B.http://picflow.koolearn.com/upload/papers/g02/20120217/201202171117167211389.gif

C.http://picflow.koolearn.com/upload/papers/g02/20120217/201202171117167281387.gif

D.http://picflow.koolearn.com/upload/papers/g02/20120217/201202171117167341389.gif

试卷相关题目

  • 1如图,已知线段AB=http://picflow.koolearn.com/upload/papers/g02/20111208/20111208152501234888.gif,当点A沿着以原点O为圆心的单位圆上运动时,点B在x轴上滑动,设∠AOB=θ,记x(θ)为点B的横坐标关于θ的函数,则x(θ)在http://picflow.koolearn.com/upload/papers/g02/20111208/20111208152501250963.gif上的图象大致是http://picflow.koolearn.com/upload/papers/g02/20111208/201112081525012652037.gif

    A.http://picflow.koolearn.com/upload/papers/g02/20111208/201112081525012961695.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20111208/201112081525013121684.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20111208/201112081525013431706.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20111208/201112081525014061728.gif

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  • 2如图,有一直角墙角,两边的长度足够长,在P处有一棵树与两墙的距离分别是am(0<a<12)、4m,不考虑树的粗细。现在用16m长的篱笆,借助墙角围成一个矩形的花圃ABCD。设此矩形花圃的面积为Sm2,S的最大值为f(a),若将这棵树围在花圃内,则函数u=f(a)的图象大致是http://picflow.koolearn.com/upload/papers/g02/20111025/201110251533036561979.gif

    A.http://picflow.koolearn.com/upload/papers/g02/20111025/201110251533036711301.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20111025/201110251533037031364.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20111025/201110251533037341340.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20111025/201110251533037501370.gif

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  • 3函数f(x)=xn+ax﹣1(n∈Z,a>0且a≠1)的图象必过定点

    A.(1,1)

    B.(1,2)

    C.(﹣1,0)

    D.(﹣1,1)

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  • 4已知图甲中的图象对应的函数y=f(x),则图乙中的图象对应的函数在下列给出的四式中只可能是http://picflow.koolearn.com/upload/papers/g02/20120709/201207091647084037035.png

    A.y=f(|x|),

    B.y=|f(x)|,

    C.y=f(﹣|x|),

    D.y=﹣f(|x|)

    开始考试点击查看答案
  • 5设a<b,函数y=(x﹣a)2(x﹣b)的图象可能是

    A.http://picflow.koolearn.com/upload/papers/g02/20120817/201208170804427054520.png

    B.http://picflow.koolearn.com/upload/papers/g02/20120817/201208170804427624239.png

    C.http://picflow.koolearn.com/upload/papers/g02/20120817/201208170804428194266.png

    D.http://picflow.koolearn.com/upload/papers/g02/20120817/201208170804428764670.png

    开始考试点击查看答案
  • 6如图所示是某一容器的三视图,现向容器中匀速注水,容器中水面的高度h随时间t变化的可能图象是http://picflow.koolearn.com/upload/papers/g02/20110926/201109261326083282200.gif

    A.http://picflow.koolearn.com/upload/papers/g02/20110926/201109261326083431241.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20110926/201109261326084061222.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20110926/201109261326084371242.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20110926/201109261326084531244.gif

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  • 7如图所示,单位圆中弧AB的长为x,f(x)表示弧AB与弦AB所围成的弓形面积的2倍,则函数y=f(x)的图象是http://picflow.koolearn.com/upload/papers/g02/20111117/201111171538295782164.gif

    A.http://picflow.koolearn.com/upload/papers/g02/20111117/201111171538295931566.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20111117/201111171538296561665.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20111117/201111171538296711683.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20111117/201111171538297031658.gif

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  • 8若函数f(x)=loga(x+b)的图象如下图,其中a,b为常数。则函数g(x)=ax+b的大致图象是http://picflow.koolearn.com/upload/papers/g02/20111017/201110171634148431405.gif

    A.http://picflow.koolearn.com/upload/papers/g02/20111017/201110171634148901334.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20111017/201110171634149531314.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20111017/201110171634149681322.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20111017/201110171634150001348.gif

    开始考试点击查看答案
  • 9若函数y=f(x)导函数在区间[a,b]是增函数,则函数y=f(x)在区间[a,b]上的图象可能是

    A.http://picflow.koolearn.com/upload/papers/g02/20111124/201111240904308281519.gif

    B.http://picflow.koolearn.com/upload/papers/g02/20111124/201111240904308751518.gif

    C.http://picflow.koolearn.com/upload/papers/g02/20111124/201111240904308901510.gif

    D.http://picflow.koolearn.com/upload/papers/g02/20111124/201111240904309061535.gif

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  • 10函数f(x)=axm(1-x)n在区间[0,1]上的图像如图所示,则m,n的值可能为http://picflow.koolearn.com/upload/papers/g02/20111031/201110311534210622059.gif

    A.m=1,n=1

    B.m=1,n=2

    C.m=2,n=1

    D.m=3,n=1

    开始考试点击查看答案
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