An auditorium has rows of seats that increase in length the farther the row is from the stage. The first row has 28 seats, the second row has 35 seats, the third row has 42 seats, the fourth row has 49 seats, and so on. bn +c to A) Let an be the number of seats in the nth row. Write an explicit formula of the form an = model this situation. An

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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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 28 seats, the second row has 35 seats, the third row has 42 seats, the fourth row has 49 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 189 seats, how many rows are there?
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 28 seats, the second row has 35 seats, the third row has 42 seats, the fourth row has 49 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 189 seats, how many rows are there?
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