Write a Formula for the General Term (The Nth Term) $a _ { n } = 6 n - 2 ; a _ { 20 } = 118$

question 59

Multiple Choice

Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20,
the 20th term of the sequence.
-3 , 12 , 21 , 30 , 39 , . . .

• A) \(a _ { n } = 6 n - 2 ; a _ { 20 } = 118\)
• B) \(a _ { n } = 9 n - 2 ; a _ { 20 } = 178\)
• C) \(a _ { n } = 6 n - 9 ; a _ { 20 } = 111\)
• D) \(a _ { n } = 9 n - 6 ; a _ { 20 } = 174\)

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Body Mass Index, a measure of body fat based on an individual's weight in relation to their height, used to assess overweight and obesity levels.

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