The profit function for each month is given by P(x) = 209x - 10200
Cost is the amount of money spent in producing an item while revenue is the amount of money made in selling the item.
Profit is the difference between revenue and cost.
Let x represent the number of 73 lb wheel produced each month
Cost: C(x) = 690x + 10200
Revenue: R(x) = 899x
Profit: P(x) = R(x) - C(x) = 899x - (690x + 10200) = 209x - 10200
The profit function for each month is given by P(x) = 209x - 10200
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