1.已知一次函数y=kx+b中自变量x的取值范围为-2≤x≤6,相应函数值的范围为-11≤y≤9,求此函数解析式.2.直线L与直线y=2x+1的交点的横坐标为2,与直线y=-x+2的交点的纵坐标为1,求直线L的函数关系式.
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![1.已知一次函数y=kx+b中自变量x的取值范围为-2≤x≤6,相应函数值的范围为-11≤y≤9,求此函数解析式.2.直线L与直线y=2x+1的交点的横坐标为2,与直线y=-x+2的交点的纵坐标为1,求直线L的函数关系式.](/uploads/image/z/4109958-54-8.jpg?t=1.%E5%B7%B2%E7%9F%A5%E4%B8%80%E6%AC%A1%E5%87%BD%E6%95%B0y%3Dkx%2Bb%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%E4%B8%BA-2%E2%89%A4x%E2%89%A46%2C%E7%9B%B8%E5%BA%94%E5%87%BD%E6%95%B0%E5%80%BC%E7%9A%84%E8%8C%83%E5%9B%B4%E4%B8%BA-11%E2%89%A4y%E2%89%A49%2C%E6%B1%82%E6%AD%A4%E5%87%BD%E6%95%B0%E8%A7%A3%E6%9E%90%E5%BC%8F.2.%E7%9B%B4%E7%BA%BFL%E4%B8%8E%E7%9B%B4%E7%BA%BFy%3D2x%2B1%E7%9A%84%E4%BA%A4%E7%82%B9%E7%9A%84%E6%A8%AA%E5%9D%90%E6%A0%87%E4%B8%BA2%2C%E4%B8%8E%E7%9B%B4%E7%BA%BFy%3D-x%2B2%E7%9A%84%E4%BA%A4%E7%82%B9%E7%9A%84%E7%BA%B5%E5%9D%90%E6%A0%87%E4%B8%BA1%2C%E6%B1%82%E7%9B%B4%E7%BA%BFL%E7%9A%84%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB%E5%BC%8F.)
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