Help

On a certain route, a regional airline carries 8400 per month, each paying $65. The airline wants to increase the fare. However, the market research department estimates that for each $1 in fare the airline will lose 80 passengers. Determine the price that maximizes the airline's revenue The last sentence of the problem statement indicates that the revenue is being maximized. Let x be the number of passengers, p be the price they pay, and R represent the amount of revenue generated. Write the objective function in terms of x and p. R(x) = (Simplify your answer.)