If the price in dollars of a stereo system is given by
p (q )= 1000/q^2+ 1000
where q represents the demand for the product.
a. Find the marginal revenue when the demand is 10.
b. What is the formula for the revenue function?
a. R(q) = pq
b. R(q) = p'q
c. R(q) = p/q
d. R(q) = p'p