Posted by **tara** on Tuesday, October 11, 2011 at 4:06pm.

cost, revenue, and profit are in dollars and x s the number of units

cost: if the cost function for a particular good is C(x)= 3x^2 +6x + 600, what is the (a) marginal cost function (b) marginal cost if 30 units are produced? (c) interpretation of your answer in part (b)?