Charlie runs a book rental business. he currently charges $3 per book rents out an average of 38 books a day. according to study, for every 50cent increase in rental price, the average business can be expect to lose 4 rentals a day. complete the equation that models this scenario, where b(x) is the revenue generated and x is the number of 59 cent price increases. b(x) = _ x^2 + _ x + _ (fill in the blank)

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.