Use Recursion Formulas
-a1 = 3 and an = 4an-1 + 1 for n ≥ 2
A)3, 13, 53, 213
B)3, 13, 49, 193
C)3, 12, 48, 192
D)3, 11, 43, 171

Name: Use Recursion Formulas -a1 = 3 and an = 4an-1 + 1 for n ≥ 2 A)3, 13, 53, 213 B)3, 13, 49, 193 C)3, 12, 48, 192 D)3, 11, 43, 171
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Question

Quizplus · Accepted Answer

The sequence starts with a1 = 3. Using the formula an = 4an-1 + 1, we get a2 = 4*3 + 1 = 13, a3 = 4*13 + 1 = 53, and a4 = 4*53 + 1 = 213, which matches option A.

Use Recursion Formulas -A1 = 3 and an = 4an-1 + 1 for