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  • 11-04-2024
  • Mathematics
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2. The numbers of seats in the first 10 rows of a high-school auditorium form an arithmetic
sequence. The first row has 9 seats. The second row has 11 seats
a. Write a recursive formula to represent the sequence.
b. Write an explicit formula to represent the sequence.
C. How many seats are in the 10th row?
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