A piano manufacturer has a daily fixed cost of $1,300 and a marginal cost of $1,600 per piano. Find the cost C(x) of manufacturing x planos in one day.
C(x)=
Use your function to answer the following questions.
(a) On a given day, what is the cost of manufacturing three planos?
$
(b) What is the cost of manufacturing the third plano that day?
$
(c) What is the cost of manufacturing the 11th piano that day?
$
(d) What is the variable cost?
What is the fixed cost?
$
What is the marginal cost?
$
per piano
(e) Graph C as a function of x. HINT [See Example 1.]
-5000
-10000
-13-000
-20000
C
20000
15000
10000
5000
4
10 12
10
12
20000
15000
10000
5000
-5000
-10000
-15-000
-20000
2
Ml