For a company that manufactures tennis​ rackets, the average cost per racket is found to be C= 360 x+4+ 1 3x for x≥1​, where x is the number of rackets produced per hour. Use the differential to approximate the change in average cost per racket if production is​ (A) increased from 20 per hour to 27 per hour and​ (B) increased from 45 per hour to 52 per hour.

Jimmy owns an ice cream parlor. he designs a schedule for the different tasks the employees have to perform in order to prevent monotony at work. according to the schedule, if an employee makes waffle cones on a day, he serves ice creams the next day and clears the tables on the day after that. jimmy is using the approach at his ice cream parlor.

In general, as long as the number of firms that possess a particular valuable resource or capability is less than the number of firms needed to generate perfect competition dynamics in an industry, that resource or capability can be considered and a potential source of competitive advantage. answers: valuablerareinimitableun-substituta ble

Lillypad toys is a manufacturer of educational toys for children. six months ago, the company's research and development division came up with an idea for a unique touchscreen device that can be used to introduce children to a number of foreign languages. three months ago, the company produced a working prototype, and last month the company successfully launched its new device on the commercial market. what should lillypad's managers prepare for next? a. increased competition from imitators b. a prolonged period of uncontested success c. a sharp decline in demand for the product d. a difficult struggle to move from invention to innovation