如图,在三角形ABC中,AB=5,AC=7.点D在AB上由A向B移动(C,D不与A,B重合),过B,C,D三点做一个圆交AC与点E,设AD=x,CE=y,求Y关于X的解析式,并指出函数中自变量X的取值范围.
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![如图,在三角形ABC中,AB=5,AC=7.点D在AB上由A向B移动(C,D不与A,B重合),过B,C,D三点做一个圆交AC与点E,设AD=x,CE=y,求Y关于X的解析式,并指出函数中自变量X的取值范围.](/uploads/image/z/3801312-0-2.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2CAB%3D5%2CAC%3D7.%E7%82%B9D%E5%9C%A8AB%E4%B8%8A%E7%94%B1A%E5%90%91B%E7%A7%BB%E5%8A%A8%EF%BC%88C%2CD%E4%B8%8D%E4%B8%8EA%2CB%E9%87%8D%E5%90%88%EF%BC%89%2C%E8%BF%87B%2CC%2CD%E4%B8%89%E7%82%B9%E5%81%9A%E4%B8%80%E4%B8%AA%E5%9C%86%E4%BA%A4AC%E4%B8%8E%E7%82%B9E%2C%E8%AE%BEAD%3Dx%2CCE%3Dy%2C%E6%B1%82Y%E5%85%B3%E4%BA%8EX%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F%2C%E5%B9%B6%E6%8C%87%E5%87%BA%E5%87%BD%E6%95%B0%E4%B8%AD%E8%87%AA%E5%8F%98%E9%87%8FX%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4.)
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