Respuesta :

g(x) = 2x + 1

h(x) = x + 2x

(g + h)(x) = (2x + 1) + (x + 2x)

(g + h) (x) = 2x + 1 + x + 2x

(g + h) (x) = 2x + 2x + x + 1

(g + h)(x) = 5x + 1 Result