Question

3. A consultant determines that the annual profit of a certain company, (in dollars) is given by the equation ??(??) = −200,000 + 4,000?? − 0.4??2 − 0.00001??3, where ?? is the number of surgical lasers it sells each year. The consultant also informs the company that the number of surgical lasers it can manufacture each year depends on the number of workers it employs and is given by the equation ??(??) = 100??. At what rate if the profit changing with respect to the number of works when the company employees 20 workers?

Answer 1