Asked by pacmangoescrazy
The numbers of seats in the first 12 rows of a high-school auditorium form an arithmetic sequence. The first row has 9 seats. The second row has 11 seats.
1. Write a recursive formula to represent the sequence.
2. Write an explicit formula to represent the sequence.
3.How many seats are in the 12th row?
1. Write a recursive formula to represent the sequence.
2. Write an explicit formula to represent the sequence.
3.How many seats are in the 12th row?
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