Question

CINE STIE SA REZOLVE REPEDE

Answer 1

Răspuns:

f g

A-------->B--------->C;

f(A)=g(B)=C;

• (g*f)(2)=g(f(2))=g(30)=>g(2)*f(2)=30^2

=>g(f(2)=900;

• (g*f)(5)=g(5)*f(5)=g(f(5)

=>g(f(5))=20^2=400;

• g(f(30)=g(30)*f(30)=>g(f(30)=900^2

=>(g*f)(30)=g(f(30)=810000.