Item 2 Write and solve an equation to determine what the balance b in the account was 4 years ago.

The balance of an investment account is $308 more than the balance 4 years ago. The current balance of the account is $4708. equation blank=4708

Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4