Respuesta :

d(4) = 64

substitute n = 2, 3, 4 into d(n) = d(n - 1) + 17

d(2) = d(1) + 17 = 13 + 17 = 30

d(3) = d(2) + 17 = 30 + 17 = 47

d(4) = d(3) + 17 = 47 + 17 = 64