Solve the problem. Assume that relative maximum and minimum values are absolute maximum and minimum values.A computer firm markets two kinds of electronic calculator that compete with one another. The total revenue function is 
where p is the price of the first calculator (in multiples of $10), and q is the price of the second calculator (in multiples of $10). What prices should be charged in order to maximize the total revenue?
A. $5 and $90
B. $20 and $120
C. $40 and $170
D. $6.70 and $180
Answer: D
You might also like to view...
Solve the problem.A bird flew 39 feet in 2.7 seconds. How many feet per second did the bird fly? Round to the nearest tenth.
A. 0.1 ft/sec B. 105.3 ft/sec C. 14.4 ft/sec D. 36.3 ft/sec
Solve the system of equations. If the system is inconsistent or has dependent equations, say so. x - y + 8z = -107 x + 2y = 212x + y + 8z = -80
A. {(5, 8, -13)} B. {(x, y, z)|2x + y + 8z = -80}; dependent equations C. {(5, 8, 0)} D. ?; inconsistent system
Solve the problem.Doctors predict that by administering a vaccine, the number of new cases of a certain childhood disease will decrease by half each year. If 600 people were afflicted with the disease in 2017, estimate the number of new cases in 2022. (Round to the nearest whole number, if necessary.)
A. 38 new cases in 2022 B. 19 new cases in 2022 C. 75 new cases in 2022 D. 9 new cases in 2022
Factor completely. State that the polynomial is prime if it cannot be factored.64y4 - 81
A. (8y2 - 9)2 B. prime C. (8y2 + 9)(8y2 - 9) D. (8y2 + 9)2