Question 5 Find f(4) for the recursive function if f(n) is defined recursively by ƒ(n + 1) = f(n) + 3ƒ(n − 1), ƒ(0) = −1, ƒ(1) = 2 A Question 6 Given the sequence defined recursively by a0 = 2 and for any integer n > 1 Find a 3. an = (n+1)an-1 AJ = 3 and for any integer n ≥ 1 Question 7 Given the sequence defined recursively by a an = 2an-1-5 Find a 3.

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