Respuesta :

Answer:

Hello,

(f-g)(x) = 11 x²

(f-g)(0) = 0

Step-by-step explanation:

(f-g)(x) = 4 x² - ( -7 x²) = 4 x² + 7 x² = 11 x²

(f-g)(0) = 11 (0)² = 0