如图A(1,0)B(4,0)M(5,3),动点p从点A出发,沿x轴以每秒—个单位长的速度向右移动,且过点p的直线L:y=-x+b也随之移动,设移动时间为t秒,(1)t=1时,L的解析式.(2)L与线段BM有公共点,确定t取值范围(3)直接
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![如图A(1,0)B(4,0)M(5,3),动点p从点A出发,沿x轴以每秒—个单位长的速度向右移动,且过点p的直线L:y=-x+b也随之移动,设移动时间为t秒,(1)t=1时,L的解析式.(2)L与线段BM有公共点,确定t取值范围(3)直接](/uploads/image/z/3926845-37-5.jpg?t=%E5%A6%82%E5%9B%BEA%281%2C0%29B%284%2C0%29M%285%2C3%29%2C%E5%8A%A8%E7%82%B9p%E4%BB%8E%E7%82%B9A%E5%87%BA%E5%8F%91%2C%E6%B2%BFx%E8%BD%B4%E4%BB%A5%E6%AF%8F%E7%A7%92%E2%80%94%E4%B8%AA%E5%8D%95%E4%BD%8D%E9%95%BF%E7%9A%84%E9%80%9F%E5%BA%A6%E5%90%91%E5%8F%B3%E7%A7%BB%E5%8A%A8%2C%E4%B8%94%E8%BF%87%E7%82%B9p%E7%9A%84%E7%9B%B4%E7%BA%BFL%3Ay%EF%BC%9D-x%2Bb%E4%B9%9F%E9%9A%8F%E4%B9%8B%E7%A7%BB%E5%8A%A8%2C%E8%AE%BE%E7%A7%BB%E5%8A%A8%E6%97%B6%E9%97%B4%E4%B8%BAt%E7%A7%92%2C%281%29t%EF%BC%9D1%E6%97%B6%2CL%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F.%282%29L%E4%B8%8E%E7%BA%BF%E6%AE%B5BM%E6%9C%89%E5%85%AC%E5%85%B1%E7%82%B9%2C%E7%A1%AE%E5%AE%9At%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%283%29%E7%9B%B4%E6%8E%A5)
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