向函数高手求救压轴题!已知:y=1/2x+c与x轴交于点A,与y轴交于点B,抛物线y=ax^2-bx+4c与直线AB交于AD已知:y=1/2x+c与x轴交于点A,与y轴交于点B,抛物线y=ax^2-bx+4c与直线AB交于AD两点,与y轴交于点C.(1)若c=
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![向函数高手求救压轴题!已知:y=1/2x+c与x轴交于点A,与y轴交于点B,抛物线y=ax^2-bx+4c与直线AB交于AD已知:y=1/2x+c与x轴交于点A,与y轴交于点B,抛物线y=ax^2-bx+4c与直线AB交于AD两点,与y轴交于点C.(1)若c=](/uploads/image/z/3815284-4-4.jpg?t=%E5%90%91%E5%87%BD%E6%95%B0%E9%AB%98%E6%89%8B%E6%B1%82%E6%95%91%E5%8E%8B%E8%BD%B4%E9%A2%98%21%E5%B7%B2%E7%9F%A5%3Ay%3D1%2F2x%2Bc%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9A%2C%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9B%2C%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax%5E2-bx%2B4c%E4%B8%8E%E7%9B%B4%E7%BA%BFAB%E4%BA%A4%E4%BA%8EAD%E5%B7%B2%E7%9F%A5%3Ay%3D1%2F2x%2Bc%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9A%2C%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9B%2C%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax%5E2-bx%2B4c%E4%B8%8E%E7%9B%B4%E7%BA%BFAB%E4%BA%A4%E4%BA%8EAD%E4%B8%A4%E7%82%B9%2C%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9C.%EF%BC%881%EF%BC%89%E8%8B%A5c%3D)
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