Question

G(X)=100X(Elevado a 2)-400x-1200

Answer 1

G(x)=100x^2-400x-1200

G(x)=100(x^2-4x)-1200

G(x)=100(x-2)^2-1600

 

dominio:

dominio:R

 

rango:

(x-2)^2>=0

100*(x-2)^2>=0

100(x-2)^2-1600>=-1600

rango:[-1600,+00>