The table shows data collected to represent the functional relationship between the number of people attending a wedding and the cost of the wedding. What is the domain of the function represented by the table?
All real numbers
x≥0
All integers greater than or equal to zero
{5, 10, 15, 20, 25}

step-by-step explanation:

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.