Adelivery truck has 40,000 miles on its odometer and travels an average of 22,000 miles per year. which function best models the linear relationship? y = 22,000x − 40,000 y = –22,000x + 40,000 y = 22,000x + 40,000 y = 40,000x − 22,000

Since the truck adds 22,000 PER YEAR, this would be the number we multiply by the variable depending on how many years they are calculating for. So we have y = 22,000xThe truck already has 40,000 miles on it so it s STARTING at 40,000, this is our y-intercept, or b.Now we have y = 22,000x + 40,000

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