Business Calculus
First Application: Marginal Analysis
PROBLEM 1
For the cost function, find the marginal cost at the given production
level
x
. State the units of measurement. (All costs are in dollars.)
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»
¼
± ² ³¶¶
PROBLEM 2
Find the marginal cost, marginal revenue, and marginal profit functions.
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¾(±) ² ¿± À ¶Á¶¶³±
Â
a)
Marginal cost
b)
Marginal revenue
c)
Marginal profit
d)
Find all values of
x
for which the marginal profit is zero.
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View Full DocumentBusiness Calculus
First Application: Marginal Analysis
PROBLEM 3
(a)
The associated marginal cost is _______. CHECK ONE:
increasing, then decreasing
decreasing, then increasing
always decreasing
always increasing
(b)
The marginal cost is least at approximately___. CHECK ONE:
x
= 0
x
= 50
x
= 100
x
= 150
(c) The cost of 50 items is _______. CHECK ONE:
approximately $9, and increasing at a rate of about $1,350 per
item
approximately $1,350, and increasing at a rate of about $9 per
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 Spring '11
 Staff
 Economics, Calculus, investigator, $9, $1,350, $1.8

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