Suppose the Total Cost in Maunufacturing $x$ Units of a Certain Product Is

Short Answer

Suppose the total cost in maunufacturing $x$ units of a certain product is $C ( x )$ dollars.
a. What does $C ^ { \prime } ( x )$ measure? Give units.
b. What can you say about the sign of $C ^ { \prime }$ ?
c. Given that $C ^ { \prime } ( 3000 ) = 11$ , estimate the additional cost in producing the 3001 st unit of the product.