A Recursion Formula and the Initial Term(s) of a Sequence $$a _ { 1 } = 1 , a _ { 2 } = 4 , a _ { n + 2 } = a _ { n + 1 } + a _ { n }$$

question 45

Multiple Choice

A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.
- $$a _ { 1 } = 1 , a _ { 2 } = 4 , a _ { n + 2 } = a _ { n + 1 } + a _ { n }$$

• A) \(1,4,5,9,14\)
• B) \(1,4,5,6,7\)
• C) \(1,4,5,10,15\)
• D) \(1,1,2,3,5\)

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