25 setxunit
7.5 setborder
90 setangle_repere
-5 5 setxrange
-10 15 setyrange
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
[1 1 .5 .5 .1 .1] {orange} Quadrillage
marks
traceaxes
axesarrow
unites
/f {setxvar
#rpn# 2*x+3
} def
gsave
bleu
.75 setlinewidth
continu
xmin .01 neg {f} Courbe
.01 xmax {f} Courbe
grestore
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