Problem
A competitive firm's production function is f(x1, x2) = 12x1/21 + 4x1/22. The price of factor 1 is $1 and the price of factor 2 is $2. The price of output is $4. What is the profit-maximizing quantity of output?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.