ex 4 punctul a , fără desen

f(x)=3x-2
∩OX, y=0⇒ 3x-2=0
[tex]x=\frac{2}{3} \\\\A(\frac{2}{3} ,0)[/tex]
∩OY, x=0⇒ y=0-2=-2
B(0,-2)
g(x)=-x-1
∩OX, y=0⇒ -x-1=0
x=-1
A'(-1,0)
∩OY, x=0⇒ y=0-1=-1
B'(0,-1)