Răspunsuri

2014-08-28T13:33:37+03:00
Deoarece f bijectiva deducem ca valorile functiei f(x)\in\{-3,-2,-1,0,1,2,3\}
f(-3)+ f(-2)+ f(-1)+ f(0)+ f(1)+ f(2)+ f(3)=(-3)+(-2)+(-1)+0+1+2+3( nu obligatoriu in aceasta ordine)=0


2 5 2