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Mathematics, 29.10.2019 15:31 modelingavakin

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?
a) s(x) = 130 + 9(x − 1)
b) s(x) = 9(x − 1) − 130
c) s(x) = 130x − 9
d) s(x) = 130 − 9(x − 1)

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