Write an expression to describe the sequence below. Use n to represent the position of a term in the sequence, where n = 1 for the first term. 3, 6, 9, 12, ...​

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?