Find the First Four Terms of the Given Sequence $$a _ { 1 } = 9 , a _ { n } = a _ { n } - 1 + 3$$

question 86

Multiple Choice

Find the first four terms of the given sequence.
- $$a _ { 1 } = 9 , a _ { n } = a _ { n } - 1 + 3$$

• A) \(0,3,6,9\)
• B) \(9,3,6,9\)
• C) \(9,12,15,18\)
• D) \(12,15,18,21\)