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

question 235

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

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