AC(x) = 30,000 +3x / X gives the average per unit cost, in dollars, for producing a small calculator. As the number of calculators produced gets very large, the average per unit cost will approach:
E. Can’t be determined from the info given.
The weekly profit of a custom surfboard manufacturer, in dollars, is given by the quadratic function: P(x) = -4×2 + 400x- 3600. Find the number of boards that will maximize weekly profit, and find the maximum weekly profit.
A. 30 boards ; $4800 profit
B. 40 boards ; $6000 profit
C. 50 boards ; $6400 profit
D. 50 boards ; $26400 profit
E. None of the above.