Alton has been recording the number of apples on his apple tree each week, as shown below: week apples 2 15 3 22 4 29 5 36 the function representing alton's apples per week is f(w) = 7w + 1. what does the 1 represent? the number of apples at the start the week number when alton recorded the apples the number of apples alton had in total the number the apples increased by each week