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AssignmentMultiple Choice

Modeling with Sequences and Series

Question 1 • 2025-2026 FBISD - Precalculus B (CR)

What type of sequence is shown below?10; 110; 1,110; 11,110; …

Answer
A
arithmetic
B
geometric
C
neither

Explanation

An arithmetic sequence has the same difference between consecutive terms, but here the differences are 110 − 10 = 100, 1,110 − 110 = 1,000, and 11,110 − 1,110 = 10,000. A geometric sequence has the same ratio between consecutive terms, and these ratios are not equal either. Therefore, the sequence is neither arithmetic nor geometric.

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