deep sea fishing company took a group of 5 fishermen out for $500 and a group of 9 fishermen out for $700. Write an equation that will represent the cost, y, of the trip for x fishermen.

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?