Question

Va rog rapid! Dau ce vreti voi! ​

Answer 1

a) Din A apartine Gf, f(-2) = 3

f(-2) = -2+a

-2+a =3

a = 3+2 = 5

b) Din B apartine Gg, f(b) = 3b

f(b) = (b-4)/3

(b-4)/3 = 3b

b-4 = 3b*3

b-4 = 9b

9b-b = -4

8b = -4

b = -4/8 = 1/2