Respuesta :
lets substitute the values in the formula:
f(n + 1) = –0.5 f(n)
f(1) = 120
f(2) = -0.5*120 = -60
f(3) = -0.5(-60) = 30
f(4) = -0.5(30) = -15
f(5) = -0.5(-15) = 7.5
f(n + 1) = –0.5 f(n)
f(1) = 120
f(2) = -0.5*120 = -60
f(3) = -0.5(-60) = 30
f(4) = -0.5(30) = -15
f(5) = -0.5(-15) = 7.5
