Răspuns :
A = {-1, 0, 1, 2, 3}
B = {-3, -2, -1, 0, 1, 2, 3, 4, 5}
[tex]\it \rule{0.2}{0.2}\ \ \ \ \ \ \ \ \ x\ \ \ \ \ \ |\ -1\ |\ \ \ 0\ \ \ |\ \ \ 1\ \ \ | \ \ \ \ 2\ \ \ \ |\ \ \ 3\ \ \ \ |\\\rule{220}{0.4}\\ y=-2x+3|\ \ \ 5\ \ \ |\ \ \ 3\ \ \ |\ \ \ 1\ \ \ |\ \ -1\ \ |\ \ -3\ \ |[/tex]