Gymnast clothing manufactures expensive soccer cleats for sale to college bookstores in runs of up to 500. its cost (in dollars) for a run of x pairs of cleats is c(x) = 2750 + 7x + 0.1x2 (0 ≤ x ≤ 500). gymnast clothing sells the cleats at $150 per pair. find the revenue and profit functions. how many should gymnast clothing manufacture to make a profit? revenue = profit = at least pairs