Question

Se considera functiile f,g:R→R, f(x)=$2x^{2} -3x+1$ , g(x)=$x-2$ . Calculati
(f °g)(1) .

Answer 1

(FoG)(1) = F(G(1)) = F(-1) = 2+3+1 = 6

Answer 2

(f°g)(1)=f(g(1))=f(1-2)=f(-1)=2*(-1)²+3*(-1)+1=2+3+1=6
as simple as that!