Suppose that the cost, in dollars, for a company to produce x pairs of a new line of jeans is

Question

C(x)=2200+4x+0.01x2+0.0002x3.

(a) Find the marginal cost function.

(b) Find the marginal cost at x=100.

(c) Find the cost at x=100.

Answer 1

(a) dC/dx
(b) and (c) are just plug and chug