If you have found the minimum of average total cost, the second derivative with respect to Q will be:
A) positive.
B) negative.
C) zero.
D) equal to marginal cost.

Question

Quizplus · Accepted Answer

When you have found the minimum of the average total cost, the second derivative of the average total cost with respect to quantity (Q) will be positive. This indicates that the curve is concave up at this point, confirming a minimum point.

If You Have Found the Minimum of Average Total Cost