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HELP

function f(x) { y = Math.abs(3*x-1)+3*x; return y }
function g(x) { if (x <  1/3) {y = 0} else {y=6}; return y }
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aX = -1; bX = 2; aY = -2; bY = 8
Dx = 1/2; Dy = 1
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xx=[-1,1,2]; yy=[5]
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AX=BX=AY=BY=""
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AAX=aX; BBX=bX; AAY=aY; BBY=bY
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linew=2; linef=5; lineg=6; lineh=2; linek=2
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T0=["f",0.73,2.5]; T1=["df",1.7,5.5]
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