DACA INTERSECTEAZA AXA OX IN -2 ATUNCI PUNCTUL (-3,0) VERIFICA ECUATIA y=f=aX+b
0=-3a+b
DACA INTERSECTEAZA AXA Oy IN 2 ATUNCI PUNCTUL (0,2) VERIFICA ECUATIA y=f=aX+b
2=a*0+b deci b=2 care inlocuita in prima
0=-3a+2 a=3/2
f=3x/2+2
deci f(3)=13/2
f(1)=7/2 deci
f(3)>f(1)