Suppose it costs a firm C(x) dollars to operate for x hours. Complete the missing parts of the table (some parts will be given in class): In symbols In words C(50) - C(49) C(30) C(60)/60 The rate at which cost is changing when they have operated for 3 hours C'(25) The total cost to operate for 3 hours The average cost per hour when operating 3 hours Suppose it costs a firm C(x) dollars to operate for x hours. Complete the missing parts of the table (some parts will be given in class): In symbols In words Units The marginal cost at 3 hours of operation An approximation, using the marginal cost, for the cost of the 3rd hour of operation The exact or actual cost of the 3rd hour of operation C'(25) means: and Units C'(25) approximates:

Suppose it costs a firm C(x) dollars to operate for x hours. Complete the missing parts of the tahle (enma narte will he diven in -laee). Suppose it costs a firm C(x) dollars to operate for x hours. Complete the missing parts of the tahle (some narte will he given in elase)