Răspuns :
f(x) = 5x-1 inlocuim x=m-1, iar y=2m raspunsul
f(m-1)= 2m
f(m-1)=5(m-1)-1=2m
5m-5-1=2m
5m-2m = 6
3m=6
m=2
A(m-1,2m) = A(2-1,2*2)=A(1,4)
f(m-1)= 2m
f(m-1)=5(m-1)-1=2m
5m-5-1=2m
5m-2m = 6
3m=6
m=2
A(m-1,2m) = A(2-1,2*2)=A(1,4)