一道反比例函数的题!速来!点P是直线y=1/2x+2与双曲线y=k/x在第一象限内的一个交点,直线y=1/2x+2与X轴Y轴的交点分别为AC,过点P作PB垂直于X轴,垂足为B,若AB+PB=9.(1)求K的值(2)求△PBC的面积谢谢!不
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![一道反比例函数的题!速来!点P是直线y=1/2x+2与双曲线y=k/x在第一象限内的一个交点,直线y=1/2x+2与X轴Y轴的交点分别为AC,过点P作PB垂直于X轴,垂足为B,若AB+PB=9.(1)求K的值(2)求△PBC的面积谢谢!不](/uploads/image/z/5505896-56-6.jpg?t=%E4%B8%80%E9%81%93%E5%8F%8D%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0%E7%9A%84%E9%A2%98%21%E9%80%9F%E6%9D%A5%21%E7%82%B9P%E6%98%AF%E7%9B%B4%E7%BA%BFy%3D1%2F2x%2B2%E4%B8%8E%E5%8F%8C%E6%9B%B2%E7%BA%BFy%3Dk%2Fx%E5%9C%A8%E7%AC%AC%E4%B8%80%E8%B1%A1%E9%99%90%E5%86%85%E7%9A%84%E4%B8%80%E4%B8%AA%E4%BA%A4%E7%82%B9%2C%E7%9B%B4%E7%BA%BFy%3D1%2F2x%2B2%E4%B8%8EX%E8%BD%B4Y%E8%BD%B4%E7%9A%84%E4%BA%A4%E7%82%B9%E5%88%86%E5%88%AB%E4%B8%BAAC%2C%E8%BF%87%E7%82%B9P%E4%BD%9CPB%E5%9E%82%E7%9B%B4%E4%BA%8EX%E8%BD%B4%2C%E5%9E%82%E8%B6%B3%E4%B8%BAB%2C%E8%8B%A5AB%2BPB%3D9.%281%29%E6%B1%82K%E7%9A%84%E5%80%BC%EF%BC%882%EF%BC%89%E6%B1%82%E2%96%B3PBC%E7%9A%84%E9%9D%A2%E7%A7%AF%E8%B0%A2%E8%B0%A2%21%E4%B8%8D)
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