
Concept explainers
a.
To plot: The data and graph the model in the same viewing window.
a.

Explanation of Solution
Given Information: A relevant table and model.
Graph:
b.
To write: The extent of accuracy to which model fit the data.
b.

Answer to Problem 105E
Model fits the data very accurately.
Explanation of Solution
Given Information: A relevant table and model.
Calculation:
A lot of points lie on the graph of model and the rest lie very close to model’s graph.
Thus, model fits the data very accurately.
c.
To evaluate: The model for the year
c.

Answer to Problem 105E
Explanation of Solution
Given Information: A relevant table and model.
Calculation:
Using synthetic division for
As remainder is
This indicates that in year
Thus,
Chapter 2 Solutions
Precalculus with Limits: A Graphing Approach
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