Concept explainers
To sketch the graph of the two log rules and hence find the diameter by which both the rules agrees.
Answer to Problem 88E
The diameter where both the rules agrees is
For selling large logs, Scribner rule is used.
Explanation of Solution
Given information: The given information is:
Let
The given log rules are:
Calculation:
(a) Using graphing utility to sketch the system of equations:
Enter the expressions
The graph is given as:
From the above graph, it is concluded that both the rules satisfies at
(b) From the above graph, it is clearly seen that both the log rules intersect at
(c) For selling large logs, the rule which gives the small volume is often in use.
From the above graph, it is clearly seen that Scribner rule has less volume as compared to the Doyle rule.
Hence, for selling large logs, Scribner rule has been used.
Chapter 7 Solutions
Precalculus with Limits: A Graphing Approach
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