The value (in thousands of dollars) oi'a certain car is given by the following function. where t is measured in years. Find a general expression for the instantaneous rate oi'change oi V with respect to t and evaluate [his expression when t= 5 years V7 45 ' The expression for the instantaneous rate of change GM! with respect to t is dollars year ' The instantaneous rate of change of V wilh respect to t at l= 5 years is (Round to the nearest hundred dollars as needed)