4(x - 1) = -4+ 4x
need help solving this step by step asap !

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

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?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)