Use the graph of the function to find its domain and range. Write the domain and range in interval notation

The lee family bought their home for $220,000 this year. the equation =220,000(1.038) v = 220 , 000 ( 1 . 038 ) x can be used to find the value, v, of their home after x years. which will be the value of the lee family's home in 5 years?

How do you solve a question like this?

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?