25 setxunit
7.5 setborder
90 setangle_repere
-10 10 setxrange
-4 8 setyrange
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
unites
/f {setxvar
#rpn# x^3-2*x^2-5
} def
/g {setxvar
#rpn# 1/x
} def
gsave
bleu
.75 setlinewidth
continu
{f} courbe
grestore
gsave
rouge
.75 setlinewidth
mixte
xmin .01 neg {g} Courbe
.01 xmax {g} Courbe
grestore
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