Write the First N Terms of the Given Arithmetic Sequence $$a _ { 1 } = 86 , d = 7$$

Multiple Choice

Write the first n terms of the given arithmetic sequence (the value of n is indicated in the question) .
- $$a _ { 1 } = 86 , d = 7$$

A) $a _ { n } = 86 - 7 n , a _ { 6 } = 44$
B) $a _ { n } = 86 - 7 ( n - 1 ) , a _ { 6 } = 51$
C) $a _ { n } = 86 + 7 n , a _ { 6 } = 128$
D) $a _ { n } = 86 + 7 ( n - 1 ) , a _ { 6 } = 121$