An investment has been increasing at a constant percentage since the beginning of 2010. The following data shows investment value V. in dollars, after years. Round calculated values to two decimal places. Solve all parts by hand. t = time in years since 2010 2 V-investment value 5304,50 5627.54 5970.26 6333.85 4 8 a. Show that the data are exponential. b. By what rate is the investment increasing every year? c. What was the value of the investment at the beginning of 2010? d. Find a formula that gives the investment value V, in dollars, t years after 2010