
a.
To determine the monthly revenue for unit prices of
a.

Answer to Problem 68E
The monthly revenue for unit prices of
Explanation of Solution
Given information:
The monthly revenue
Calculation :
The monthly revenue for unit price of
The monthly revenue for unit price of
The monthly revenue for unit price of
Hence, the monthly revenue for unit prices of
b.
To find the unit price that will yield to a maximum monthly revenue.
b.

Answer to Problem 68E
The unit price
Explanation of Solution
Given information:
The monthly revenue
Formula used:
The following formula is used:
Calculation :
In the given function,
The function has a maximum value when
The value of
Hence, the unit price
c.
To calculate the maximum monthly revenue.
c.

Answer to Problem 68E
The maximum monthly revenue is
Explanation of Solution
Given information:
The monthly revenue
The unit price
Calculation :
The maximum monthly revenue can be calculated by:
Hence, the maximum monthly revenue is
Chapter 2 Solutions
Precalculus with Limits: A Graphing Approach
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