The total cost C (x) associated with the production of x units of an item is given by C (x) = 0.007 x3 – 0.003x2 + 15x + 4000. Find the marginal cost when 17 units are produced.

The total cost C (x) associated with the production of x units of an item is given by C (x) = $0.007 x^{3} - 0.003 x^{2}$ + 15x + 4000. Find the marginal cost when 17 units are produced.

Match the items on the right to the items on the left.