Intersectia cu OX:
Gf∩OX={A(x;0)}
f(x)=0
3x-5=0
3x=5
x=5/3
Gf∩OX={A(5/3;0)}
Intersectia cu OY:
Gf∩OY={B(0;y)}
f(0)=y
y=f(0)
y=3*0-5
y=0-5
y=-5
Gf∩OY={B(0;-5)}
Aria triunghiului dreptunghic AOB:
OA=√(xA^2+yA^2)=√25/9=5/3 um
OB=√(xB^2+yB^2)=√25=5 um
A=OA*OB/2=5/3*5*1/2=5*5/3*2=25/6 um^2
