Concept explainers
a.
Tofind: the logistic model of the data by using regression feature of graphing utility.
a.
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Answer to Problem 121CR
The level of sound is
Explanation of Solution
Given information:
Year | Height |
Calculation:to find the logistic model of data, use the regression feature of graphing utility and put the data,
Thus, the logistic model of data is
b.
To graph: the model with the original data.
b.
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Explanation of Solution
Given information:
The model is
Graph: Sketch the graph using graphing utility.
Step 1: Press WINDOW button to access the Window editor.
Step 2: Press
Step 3: Enter the expression
Step 4: Press GRAPH button to graph the function.
The graph is obtained as:
Interpretation: from the above graph it can be observed thatthe height of the tree when it is plant is
c.
To state: that how closely the model represent the data.
c.
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Answer to Problem 121CR
The logistic model is the better fit for the data.
Explanation of Solution
Given information:
Year | Height |
the data is more fits in the logistic model.
Thus, the logistic model of data is
d.
To find: the limiting height of the tree.
d.
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Answer to Problem 121CR
The limiting height of the tree is
Explanation of Solution
Given information:
Year | Height |
Calculation: the limiting value of a logistic model
And the above data logistic model is
Thus, the limiting value is
Chapter 3 Solutions
EP PRECALC.GRAPHING APPR.-WEBASSIGN-1YR
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