Plz help! Simplify the following equation:

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Select the two pairs of figures that are similar.

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?