ap calculus

5. With an initial deposit of $100, the balance in a bank account after t years is f(t) = 100(1.08)' dollars. a. What are the units of the rate of change of f(t)? b. Find the average rate of change over [0,0.5] and [0,1] c. Estimate the instantaneous rate of change at t = 0.5 by computing the average rate of change over the intervals to the left and right of t = 0.5