A piano manufacturer has a daily fixed cost of $1,100 and a marginal cost of $1,300 per piano. Find the cost
C(x) of making x pianos in one day.
Use your function to answer the following questions.
(a) On a given day, what is the cost of making three pianos?
(b) What is the cost of making the third piano that day?
(c) What is the cost of making the eleventh piano that day?
(d) What is the variable cost?
What is the fixed cost?
What is the marginal cost?