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An auditorium has rows of seats that increase in length the farther the row is from the stage. The first row has 20 seats, the second row has 22 seats, the third row has 24 seats, the fourth row has 26 seats, and so

An auditorium has rows of seats that increase in length the farther the row is from the stage. The first row has 20 seats, the second row has 22 seats, the third row has 24 seats, the fourth row has 26 seats, and so

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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An auditorium has rows of seats that increase in length the farther the row is from the stage. The first row has 20 seats, the second row has 22 seats, the third row has 24 seats, the fourth row has 26 seats, and so on. A) Let an be the number of seats in the nth row. Write an explicit formula of the form an = bn + c to model this situation. An B) Find ag C) If the last row has 56 seats, how many rows are there? Question Help: Video D Post to forum Submit Question
Transcribed Image Text:An auditorium has rows of seats that increase in length the farther the row is from the stage. The first row has 20 seats, the second row has 22 seats, the third row has 24 seats, the fourth row has 26 seats, and so on. A) Let an be the number of seats in the nth row. Write an explicit formula of the form an = bn + c to model this situation. An B) Find ag C) If the last row has 56 seats, how many rows are there? Question Help: Video D Post to forum Submit Question
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