70. Demand Equation The price p and the quantity x sold
of a certain product obey the demand equation
1
P= * x + 100
3
0≤x≤ 300
(a)
Express the revenue R as a function of x.
(b) What is the revenue if 100 units are sold?
(c) What quantity x maximizes revenue? What is the
maximum revenue?
(d) What price should the company charge to maxi-
mize revenue?