7. (0/1 Points) DETAILS TANAPCALC10 4.5.019. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER PREVIOUS ANSWERS Optimal Chapter-Flight Fare If exactly 218 people sign up for a charter flight, Leisure World Travel Agency charges $318/person. However, if more than 218 people sign up for the fight (assume this is the case), then each fare is reduced by $1 for each additional person. Determine how many passengers will result in a maximum revenue for the travel agency. Hint: Letx denote the number of passengers above 218. Show that the revenue function R is given by R) (218 x)(318-x) x passengers What is the maximum revenue? $ x What would be the fare per passenger in this case? x dollars per passenger Need Help?