A manufacture has been selling 1300 television sets a week at 450 each. A market survey indicates that for each 14 rebate offered to a buyer, the number of sets sold will increase by 140 per week.
a) Find the demand function , where is the number of the television sets sold per week.
1 answer
Demand function: D(r) = 1300 + 140r, where r is the rebate offered.