MAC2233
–
Quest 2
–
Prof. Siegel
–
Fall 2011
Group members: ________________________________________________________________
Quest #2
Score: ________ / 135
Due Tuesday, November 22, 2011
Directions:
Show all work for full credit. This assignment should be done in groups of 2 to 4 students. No assignment will be
accepted from one student or more than 4 students. No assignment will be accepted after the due date for any reason. If you
are not in class the day this assignment is due, it is your responsibility to get it to my office before the start of class or have a
group member hand it in for you.
One quest assignment should be handed in per group.
Please show all work on this assignment. If you run out of room, you should attach additional sheets as necessary. All work
should be legible and easy to follow. If I cannot read your work, I cannot grade it.
1)
The Siegel Sales Seminar Service sells sales manuals for generating wealth from home. The price
demand equation for the manuals is
p
x
700
000
,
14
, where x is the number of manuals demanded
for a price of $p per manual. The cost to the company for producing and selling the manuals is
x
x
C
4
000
,
8
)
(
, where $8000 represents the estimated fixed costs and $4 is the estimated variable
costs to produce and sell each manual.
a)
(2 pts.) Solve for p in the pricedemand equation and find the domain of p. State the domain in
interval notation.
p = ____________________
Domain of p: ________________
b)
(3 pts.) Find the marginal cost function and interpret its meaning.
C’(x) = ____________________ Meaning:
c)
(2 pts.) Find the revenue function R(x) and its domain. State the domain in interval notation.
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 Spring '10
 Staff
 Calculus, Critical Point, Derivative, pts

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