Question

considere as funções f(x)= 2x+1 e g(X)=3+x. então o valor de f(g(3))-G(F(2)) e igual a:

Answer 1

g(3)=6, f(g(3))=f(6)=13 f(2)=5, g(f(2))=g(5)=8 f(g(3))-g(f(2))= 13-8=5