The price p (in dollars) and the quantity x sold of a certain product obey the demand equation p equals negative one ninth x plus 200 . what is the domain of r?

Which plan offers a tax-free education?

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

The amount that people are willing to pay for each additionally unit of a product or service is the