What would be the marginal cost equation if the total cost equation were:\n C = 15 + 20Q – 5Q² + Q³\n What would be the marginal cos
What would be the marginal cost equation if the total cost equation were:
\r\nC = 15 + 20Q – 5Q² + Q³
\r\nWhat would be the marginal cost at an output of 8?