Respuesta :
If x = 9 then it would go f(x) = (9)2 - 4(9) - 3 = 15
f(x) = 15 x = 9 g(x) = 3 [x + 3 / 4, 12/4, 3]
If x is 9 and f(x) is 15, f alone would be 6, f(g(x)) = 9
f(x) = 15 x = 9 g(x) = 3 [x + 3 / 4, 12/4, 3]
If x is 9 and f(x) is 15, f alone would be 6, f(g(x)) = 9