Anew video game is expected to sell 130 copies the first hour at a local game store. after that, the sales will follow the function s(x) = 9(x − 1) where x is the number of hours. what is the function that shows total sales, including the first hour?

unless if u could do my questions, if not i wouldn't want to

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,