Solve the Problem $$p = - \frac { 1 } { 4 } x + 120 , \quad 0 \leq x \leq 480$$

question 282

Multiple Choice

Solve the problem.
-The price p and the quantity x sold of a certain product obey the demand equation $$p = - \frac { 1 } { 4 } x + 120 , \quad 0 \leq x \leq 480$$ What price should the company charge to maximize revenue?

• A) $72
• B) $90
• C) $60
• D) $30