I feel like crying rn

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

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?

What is the slope of the line (-7,2) (4,6)