A Recursion Formula and the Initial Term(s) of a Sequence $$a _ { 1 } = 1 , a _ { 2 } = 5 , a _ { n + 2 } = a _ { n + 1 } + a _ { n }$$

question 455

Multiple Choice

A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.
- $$a _ { 1 } = 1 , a _ { 2 } = 5 , a _ { n + 2 } = a _ { n + 1 } + a _ { n }$$

• A) 1, 1, 2, 3, 5
• B) 1, 5, 6, 7, 8
• C) 1, 5, 6, 12, 18
• D) 1, 5, 6, 11, 17

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