如图抛物线y=ax2+bx+c经过A(-3.0)B(1.0)C(3.6)三点且与y轴交于点E1.求抛物线的解析式2.若点F的坐标为(0.-1/2)直线BF交抛物线与另一点P,试比较三角形AFO与三角形PEF的周长的大小,并说明理由图 开口
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![如图抛物线y=ax2+bx+c经过A(-3.0)B(1.0)C(3.6)三点且与y轴交于点E1.求抛物线的解析式2.若点F的坐标为(0.-1/2)直线BF交抛物线与另一点P,试比较三角形AFO与三角形PEF的周长的大小,并说明理由图 开口](/uploads/image/z/3756144-48-4.jpg?t=%E5%A6%82%E5%9B%BE%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax2%2Bbx%2Bc%E7%BB%8F%E8%BF%87A%28-3.0%29B%281.0%29C%283.6%29%E4%B8%89%E7%82%B9%E4%B8%94%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9E1.%E6%B1%82%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F2.%E8%8B%A5%E7%82%B9F%E7%9A%84%E5%9D%90%E6%A0%87%E4%B8%BA%EF%BC%880.-1%2F2%EF%BC%89%E7%9B%B4%E7%BA%BFBF%E4%BA%A4%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%B8%8E%E5%8F%A6%E4%B8%80%E7%82%B9P%2C%E8%AF%95%E6%AF%94%E8%BE%83%E4%B8%89%E8%A7%92%E5%BD%A2AFO%E4%B8%8E%E4%B8%89%E8%A7%92%E5%BD%A2PEF%E7%9A%84%E5%91%A8%E9%95%BF%E7%9A%84%E5%A4%A7%E5%B0%8F%2C%E5%B9%B6%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1%E5%9B%BE+%E5%BC%80%E5%8F%A3)
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