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function f(x) { y = 0.3232*x - 2.51  ; return y }
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aX = 0; bX = 70; aY = 0; bY = 20
Dx = 10; Dy = 1
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Qx = [36, 39, 47, 49, 52, 38, 55, 32, 57, 54, 44, 46, 53, 29, 61]
Qy = [10, 11, 11, 12, 14,  9, 16,  8, 18, 14, 12, 12, 15,  7, 17]
xx = [50]; yy = [5,10,15]
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AX=BX=AY=BY=""
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AAX=aX; BBX=bX; AAY=aY; BBY=bY
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