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HELP

---- f blue, h red ----
function f(x) { y = 1.7781 * x + 84.936; return y }
function h(x) { y = (26.1857 + x)/0.426847; return y }
...
aX = 20; bX = 70; aY = 120; bY = 200
Dx = 10; Dy = 10
...
xx=[50]; yy=[150]
Qx= [ 25, 28, 32, 35, 42, 45, 50, 58, 61 ]
Qy= [ 129,131,131,140,180,181,179,167,195 ]
...
AX=BX=AY=BY=""
...
AAX=aX; BBX=bX; AAY=aY; BBY=bY