#FIG 3.2  Produced by xfig version 3.2.5
Landscape
Center
Metric
A4      
100.00
Single
-2
1200 2
2 1 0 1 0 7 50 0 -1 0.000 0 0 -1 0 0 3
	 2250 1665 2115 1665 2115 1800
2 3 0 1 0 7 50 0 -1 0.000 0 0 -1 0 0 4
	 0 1800 2250 1800 2250 630 0 1800
4 0 0 50 0 0 12 0.0000 0 165 375 2295 1350 $2t$\001
4 0 0 50 0 0 12 0.0000 0 165 675 945 1035 $1+t^2$\001
4 0 0 50 0 0 12 0.0000 0 165 630 1125 2025 $1-t^2$\001
4 0 0 50 0 0 12 0.0000 0 165 315 360 1755 $x$\001