Algebra-1

Question Analysis
This question focuses on identifying a non-arithmetic sequence with an increasing trend where the differences between consecutive terms are increasing. The main task is to recognize that varying differences mean it's not arithmetic.

Key Concept Explanation
A sequence is not arithmetic if the differences between consecutive terms are not the same. An increasing sequence with increasing differences does not meet the criteria of an arithmetic sequence.

Step-by-Step Solution
Calculate the differences between consecutive terms:

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