若集合A={(x,y)|y=根号(-x²-4x)},={(x,y)|y=k(x-2)}若集合A∩B有两个元素,实数k的取值范围为A(-根号3/3,0)B(-根号3/3,根号3/3)C(-根号3/3,0]D[-根号3/3,根号3/3]

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若集合A={(x,y)|y=根号(-x²-4x)},={(x,y)|y=k(x-2)}若集合A∩B有两个元素,实数k的取值范围为A(-根号3/3,0)B(-根号3/3,根号3/3)C(-根号3/3,0]D[-根号3/3,根号3/3]
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若集合A={(x,y)|y=根号(-x²-4x)},={(x,y)|y=k(x-2)}若集合A∩B有两个元素,实数k的取值范围为A(-根号3/3,0)B(-根号3/3,根号3/3)C(-根号3/3,0]D[-根号3/3,根号3/3]
若集合A={(x,y)|y=根号(-x²-4x)},={(x,y)|y=k(x-2)}若集合A∩B有
两个元素,实数k的取值范围为A(-根号3/3,0)B(-根号3/3,根号3/3)C(-根号3/3,0]D[-根号3/3,根号3/3]

若集合A={(x,y)|y=根号(-x²-4x)},={(x,y)|y=k(x-2)}若集合A∩B有两个元素,实数k的取值范围为A(-根号3/3,0)B(-根号3/3,根号3/3)C(-根号3/3,0]D[-根号3/3,根号3/3]