Which sequence is generated by the function f(n + 1) = f(n) – 2 for f(1) = 10?
-10, -12, -14, -16, -18,...
-2, 8, 18, 28, 38, ...
8, 18, 28, 38, 48, ...
O 10, 8, 6, 4, 2, ...