answer: - (a)
(b) 88 seats
step-by-step explanation:
given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.
thus first term=
second term=
the number of seats in a row continues to increase by 6 with each additional row.
⇒d= 6
a) given formula :
b) let the number of seats (n) = 12
substitute n=12 in the explicit rule formed in (a)
∴there are 88 seats in 12 rows.