Taking this kind of medicine, if _____, will surely produce side effect. [ ]A. continue B. having co

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• 已知反比列函数y=的图象在每一条曲线上，y都随x的增大而增大，（1）求k的取值范围；（2）在曲线上取一点A，分别向x轴、y轴作垂线段，垂足分别为B、C，坐标原点为O，若四边形ABOC-八年级数学
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• 在－1、3、－2这三个数中，任选两个数的积作为k的值，使反比例函数的图象在第一、三象限的概率是．-七年级数学
• 一项市政工程，需运送土石方106米3，某运输公司承办了这项运送土石方的工程，则运送公司平均每天的工作量y（米3/天）与完成运送任务所需时间x（天）之间的函数关系图象大致是（）A-八年级数学
• 如图，已知直线y=mx与双曲线的一个交点坐标为（3，4），则它们的另一个交点坐标是A．（﹣3，4）B．（﹣4，﹣3）C．（﹣3，﹣4）D．（4，3）-八年级数学
• 如图，在平面直角坐标系xOy中，△ABC的边AC在x轴上，边BC⊥x轴，双曲线与边BC交于点D（4，m），与边AB交于点E（2，n）．（1）求n关于m的函数关系式；（2）若BD=2，tan∠BAC=，
• 如图，两个反比例函数和在第一象限内的图象分别是C1和C2，设点P在C1上，PA⊥x轴于点A，交C2于点B，则△POB的面积为．-八年级数学
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• 如图，已知正比例函数y=2x和反比例函数的图象交于点A（m，﹣2）．（1）求反比例函数的解析式；（2）观察图象，直接写出正比例函数值大于反比例函数值时自变量x的取值范围；（3）若双曲-八年级数学
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• 如图，是反比例函数的图象的一个分支，对于下列说法：①常数的取值范围是；②图象的另一个分支在第四象限；③在函数图象上取点和，当时，则；④在函数图象的某一个分支上取点和点-八年级数学
• 如果a和b+3成反比例，且当b=3时，a=1，那么当b=0时，a的值是A．3B．2C．1D．0-八年级数学
• 如图，四边形ABCD为正方形．点A的坐标为（0，2），点B的坐标为（0，－3），反比例函数的图象经过点C，一次函数的图象经过点C，一次函数的图象经过点A，（1）求反比例函数与一次函数的-八年级数学
• 若点A（1，y1）、B（2，y2）都在反比例函数的图象上，则y1、y2的大小关系为A．y1＜y2B．y1≤y2C．y1＞y2D．y1≥y2-八年级数学
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