Find a Formula For $a _ { n }$ For the Arithmetic Sequence

question 26

Multiple Choice

Find a formula for $a _ { n }$ for the arithmetic sequence.
$$a _ { 3 } = 19 , a _ { 13 } = 99$$

• A) \(a _ { n } = 3 + 8 n\)
• B) \(a _ { n } = 5 + 3 n\)
• C) \(a _ { n } = 8 + 3 n\)
• D) \(a _ { n } = 3 ( 8 ) ^ { n }\)
• E) \(a _ { n } = - 5 + 8 n\)

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Definitions:

Positively Correlated

A relationship between two variables where they move in the same direction, meaning that as one variable increases, the other variable also increases, and vice versa.

Complete Information

A scenario in which all parties have access to all relevant information related to a transaction or decision.

Real Rate of Return

The real rate of return is the annual percentage profit earned on an investment, adjusted for changes in the price level due to inflation or deflation.

Nominal Return

The return on an investment without adjusting for inflation, representing the raw earnings or loss.