Question 979675

Plug in n = 2 to get
f(n) = -3*f(n -1) - 2*f(n - 2)
f(2) = -3*f(2 -1) - 2*f(2 - 2)
f(2) = -3*f(1) - 2*f(0)
f(2) = -3*12 - 2*(-4)
f(2) = -28


Plug in n = 3 to get
f(n) = -3*f(n -1) - 2*f(n - 2)
f(3) = -3*f(3 -1) - 2*f(3 - 2)
f(3) = -3*f(2) - 2*f(1)
f(3) = -3*(-28) - 2*(12)
f(3) = 60


So the sequence is -4, 12, -28, 60