How do you solve this?

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?

Solve this 364x-64x=300x and 12(x2–x–1)+13(x2–x–1)=25(x2–x–1)