Question

Sendo f(x)=x²+2x+1 e g(x)=-2x+1 obtenha f(g(x))

Answer 1

F(g(x))=(-2x+1 )^(2)+2*(-2x+1 )+1
F(g(x))=4x^(2)-4x+1-4x+2+1
F(g(x))=4x^(2)-8x+4
F(g(x))=4(x^(2)-2x+1)