A competitive firm produces output using three fixed factors and one variable factor.The firm';s short run production function is ;, where x is the amount of variable factor used.The price of output is $3 per unit and the price of the variable factor


A competitive firm produces output using three fixed factors and one variable factor.The firm';s short run production function is ;, where x is the amount of variable factor used.The price of output is $3 per unit and the price of the variable factor is $9 per unit.In the short run, how many units of x should the firm use?

A.20

B.80

C.19

D.40

正确答案:40


Tag:中级微观经济学 时间:2023-12-17 11:47:44