What is the answer please ASAP

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?

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?