(1)三角形ABC中,角C=90°,AC=3 BC=4,点D为AB上一动点,过D作ED垂直AB于D交三角形ABC的直角边于E,设AD=X 三角形ABC的面积为Y,求Y与X之间函数关系式.(2)已知A(-3,2) B(7,4),在X轴上是否存在点P,
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![(1)三角形ABC中,角C=90°,AC=3 BC=4,点D为AB上一动点,过D作ED垂直AB于D交三角形ABC的直角边于E,设AD=X 三角形ABC的面积为Y,求Y与X之间函数关系式.(2)已知A(-3,2) B(7,4),在X轴上是否存在点P,](/uploads/image/z/9293697-9-7.jpg?t=%EF%BC%881%EF%BC%89%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2C%E8%A7%92C%3D90%C2%B0%2CAC%EF%BC%9D3+BC%EF%BC%9D4%2C%E7%82%B9D%E4%B8%BAAB%E4%B8%8A%E4%B8%80%E5%8A%A8%E7%82%B9%2C%E8%BF%87D%E4%BD%9CED%E5%9E%82%E7%9B%B4AB%E4%BA%8ED%E4%BA%A4%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E7%9A%84%E7%9B%B4%E8%A7%92%E8%BE%B9%E4%BA%8EE%2C%E8%AE%BEAD%3DX+%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BAY%2C%E6%B1%82Y%E4%B8%8EX%E4%B9%8B%E9%97%B4%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB%E5%BC%8F.%EF%BC%882%EF%BC%89%E5%B7%B2%E7%9F%A5A%EF%BC%88-3%2C2%EF%BC%89+B%EF%BC%887%2C4%EF%BC%89%2C%E5%9C%A8X%E8%BD%B4%E4%B8%8A%E6%98%AF%E5%90%A6%E5%AD%98%E5%9C%A8%E7%82%B9P%2C)
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