函数y=k1x+b1的图像和y2=k2+b2如图所示,y1=k1+b1的图像与y轴的交点是(0,1.5)(1)求出这两个函数的表达式(2)x=-2,y=0,可以看出那个方程组的解(3)x=2可以看做那个一元一次函数
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![函数y=k1x+b1的图像和y2=k2+b2如图所示,y1=k1+b1的图像与y轴的交点是(0,1.5)(1)求出这两个函数的表达式(2)x=-2,y=0,可以看出那个方程组的解(3)x=2可以看做那个一元一次函数](/uploads/image/z/8907209-17-9.jpg?t=%E5%87%BD%E6%95%B0y%3Dk1x%2Bb1%E7%9A%84%E5%9B%BE%E5%83%8F%E5%92%8Cy2%3Dk2%2Bb2%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2Cy1%3Dk1%2Bb1%E7%9A%84%E5%9B%BE%E5%83%8F%E4%B8%8Ey%E8%BD%B4%E7%9A%84%E4%BA%A4%E7%82%B9%E6%98%AF%280%2C1.5%29%EF%BC%881%EF%BC%89%E6%B1%82%E5%87%BA%E8%BF%99%E4%B8%A4%E4%B8%AA%E5%87%BD%E6%95%B0%E7%9A%84%E8%A1%A8%E8%BE%BE%E5%BC%8F%EF%BC%882%EF%BC%89x%3D-2%2Cy%3D0%2C%E5%8F%AF%E4%BB%A5%E7%9C%8B%E5%87%BA%E9%82%A3%E4%B8%AA%E6%96%B9%E7%A8%8B%E7%BB%84%E7%9A%84%E8%A7%A3%EF%BC%883%EF%BC%89x%3D2%E5%8F%AF%E4%BB%A5%E7%9C%8B%E5%81%9A%E9%82%A3%E4%B8%AA%E4%B8%80%E5%85%83%E4%B8%80%E6%AC%A1%E5%87%BD%E6%95%B0)
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