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function f(x) { y = 4.891*x + 8.5 ; return y } ... aX = 0; bX = 110; aY = 0; bY = 550 Dx = 10; Dy = 50 ... Qx = [87, 35, 98, 57, 73, 8, 78, 40, 22] Qy = [432,143,488,303,322,62,422,241,99] xx =[50,100]; yy = [100,200,300,400,500] ... AX=BX=AY=BY="" ... AAX=aX; BBX=bX; AAY=aY; BBY=bY