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HELP

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function f(x) { y = 1/0; return y }
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aX = 0; bX = 60; aY = 0; bY = 1.5
Dx = 1; Dy = 1/10
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xx=[10,20,30,40,50,60]; yy=[1]
Qx=Lx=[0,12,25,31,39,45,50,60]
Qy=Ly=[0, 6/10, 6/10, 8/10, 4/10, 4/10, 8/10,10/10]
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AX=BX=AY=BY=""
AY="30"
BY="The elevation profile of a small bicycle race (km)"
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AAX=aX; BBX=bX
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T0=["5%",5.5,0.4]; T1=["0%",18,0.74]; T2=["3%",27.5,0.8]; T3=["-5%",35.5,0.75]
T4=["0%",42.5,0.54]; T5=["8%",47.1,0.74]; T6=["2%",54.1,1]
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