Question: DEMAND FOR CORDLESS PHONES The marketing department of Telecon has determined that the demand for their cordless phones obeys the relationship
p = -0.02x + 600 (0 ≤ x ≤ 30,000)
where p denotes the phone's unit price (in dollars) and x denotes the quantity demanded.
a. Find the revenue function R.
b. Find the marginal revenue function R'.
c. Compute R'(10,000) and interpret your result.