Suppose annual per capita sales of bottled water in a certain country in the period 2007-2014 could be approximated by

Suppose annual per capita sales of bottled water In a certain ccnuntrglI In the period 2007-20 14 could be approximated by R0?) = 0.29:2 - t + 29 gallons (0 5 t 5 7), where t l5 time in years since 2007. According to the model, were annual per capita sales of bottled water accelerating or decelerating in 200?? o acceleratlng n I I \\_2 d 2 Del 2 rating 4' How fast? gallyrz