(a)
To find: The maximum weekly revenue.
(a)
Answer to Problem 65E
Explanation of Solution
Given: The shop’s revenue can be modeled by
The model of weeklyrevenue of shop,
Using intercept form to find maximum revenue.
For x -intercept, set each factor to 0 and solve for x.
The mid value of x -intercept attain maximum revenue.
(b)
To write:The function in vertex form and find maximum weekly revenue.
(b)
Answer to Problem 65E
Explanation of Solution
Given: The shop’s revenue can be modeled by
The given modeled of revenue,
Now change into vertex form like,
Maximum weekly revenue at vertex
(b)
To choose: The best method to find the maximum revenue.
(b)
Answer to Problem 65E
Vertex form
Explanation of Solution
Given: The shop’s revenue can be modeled by
Using vertex form very easy to find the maximum. Because it given vertex directly and maximum of parabolic curve at vertex.
Chapter 3 Solutions
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