1. Use basics of calculus (as taught in class) to answer the following questions:

1. Total Revenue = 30Q What is the Marginal Revenue function?

1. Total Cost = 100 + 10Q + 2Q² What is the Marginal Cost function?

1. What is the marginal profit function?

(Remember, Profit = Total Revenue - Total Cost) ______________

1. At what level of output is marginal profit equal to zero? ______________

1. How much actual profit (or loss) does the firm have at this level of output? ______________