Write a Formula for the General Term (The Nth Term) $$\mathbf { a } _ { \mathbf { n } }$$

Multiple Choice

Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for $$\mathbf { a } _ { \mathbf { n } }$$ to find $$a _ { 20 }$$ , the 20th term of the sequence.
-The population of a town is increasing by 500 inhabitants each year. If its population at the beginning of 1990 was 27,033, what was its population at the beginning of 1995?

A) 29,533 inhabitants
B) 135,115 inhabitants
C) 29,033 inhabitants
D) 270,230 inhabitants