Find the first 4 terms of the recursively defined sequence.a1 = 8, a2 = 9, an + 1 = an + an - 1
A. 8, 9, 17, 26
B. 8, 9, 17, 18
C. 8, 9, 16, 24
D. 8, 9, 72, 648
Answer: A
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Fill in the blank(s) with the appropriate word(s).
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