Algebra-1

Question Analysis
This question tests the student's ability to use the explicit formula for an arithmetic sequence. The problem provides the first term and the common difference, and asks for the 15th term.

Key Concept Explanation
The explicit formula for an arithmetic sequence is , where is the -th term, is the first term, is the common difference, and is the term number.

Step-by-step Solution
1. Identify the given values: ,

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