Question

What are the first three terms of the sequence defined by the recursive function mc011-1.jpg, when mc011-2.jpg and mc011-3.jpg?
-14, 14, -4
6, 10, 8
-2, 0, 2
2, 8, 10

Answer 1

Compute a3 from the recursion a_n = (a_{n-1} + a_{n-2})/2 with a1 = 6 and a2 = 10:
a3 = (6 + 10)/2 = 8.
So the first three terms are 6, 10, 8.