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HELP

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function f(x) { y =  0.24541 * x + 3954.4; return y }
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aX = 2500; bX = 9000; aY = 4500; bY = 6500
Dx = 500; Dy = 500
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Px=[5500,6500,4500,3000,3500,3200,5000,6000,7500,8500]
Py=[5400,5600,4800,4800,4900,4600,5300,5400,5800,6000]
xx=[3000,4000,5000,6000,7000,8000,9000]; yy=[5000, 6000]
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AX=BX=AY=BY=""
BY="pezzi"; BX="costi"
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AAX=aX; BBX=bX; AAY=aY; BBY=bY
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