A manufacturer determines that the number of drills it can sell is given by the formula D = -4p² + 160p - 305 where p is the

Question

A manufacturer determines that the number of drills it can sell is given by the
formula D = -4p² + 160p - 305 where p is the price of drills in dollars. At
what price will the manufacturer sell the maximum number of drills?
a) $22
b) $20
c) $40
d) $80

Kunduz · Accepted Answer

Click to see the answer