Respuesta :

Step-by-step explanation:

f(2) = 3x^4 - x + 5x + 7

f(2) = 3(2)^4 - 2 + 5(2) + 7

f(2) = 3(16) - 2 + 10 + 7

f(2) = 48 + 15

f(2) = 63