如图,一次函数y=kx+b的图象经过第一、二、三象限,且与反比例函数图象相交于A,B两点,与y轴交于点C,与x轴交于点D,OB=根号5.且点B横坐标是点B纵坐标的2倍.(1)求反比例函数的解析式;(2)
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![如图,一次函数y=kx+b的图象经过第一、二、三象限,且与反比例函数图象相交于A,B两点,与y轴交于点C,与x轴交于点D,OB=根号5.且点B横坐标是点B纵坐标的2倍.(1)求反比例函数的解析式;(2)](/uploads/image/z/3144215-47-5.jpg?t=%E5%A6%82%E5%9B%BE%2C%E4%B8%80%E6%AC%A1%E5%87%BD%E6%95%B0y%3Dkx%2Bb%E7%9A%84%E5%9B%BE%E8%B1%A1%E7%BB%8F%E8%BF%87%E7%AC%AC%E4%B8%80%E3%80%81%E4%BA%8C%E3%80%81%E4%B8%89%E8%B1%A1%E9%99%90%2C%E4%B8%94%E4%B8%8E%E5%8F%8D%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0%E5%9B%BE%E8%B1%A1%E7%9B%B8%E4%BA%A4%E4%BA%8EA%2CB%E4%B8%A4%E7%82%B9%2C%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9C%2C%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9D%2COB%3D%E6%A0%B9%E5%8F%B75%EF%BC%8E%E4%B8%94%E7%82%B9B%E6%A8%AA%E5%9D%90%E6%A0%87%E6%98%AF%E7%82%B9B%E7%BA%B5%E5%9D%90%E6%A0%87%E7%9A%842%E5%80%8D%EF%BC%8E%EF%BC%881%EF%BC%89%E6%B1%82%E5%8F%8D%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F%EF%BC%9B%EF%BC%882%EF%BC%89)
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