10 setxyrapport
15 setfontsize
28.346 setxunit
7.5 setborder
90 setangle_repere
-1 11 setxrange
-10 110 setyrange
/quadrillagegray 0.4 def
1 setquadrillagexstep
10 setquadrillageystep
quadrillage
1 10 settkstep
.5 .5 setsubtkstep
2 20 setmkstep
xticks
marks
traceaxes
axesarrow

/A {10 90} def

/f {setxvar
#rpn#   4.5*x+45
} def
gsave
   bleu
   1 setlinewidth
   continu
 0 10  {f} Courbe
A dashpoint
[45 90] {ymark} apply
grestore

<tex>
$O$
</tex>

0 0 [2 2] dltexlabel

   
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