Concept explainers
a.
To use : a graphing utility to graph the function
a.
Explanation of Solution
Given information : The question is
The number of miles of road cleared of snow in
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
The graph is obtained as:
Interpretation:
From the above graph it is observed that the graph of the function is increases then decreases
b.
To complete : the table
b.
Explanation of Solution
Given information : The table provided in the question shown below
Calculation :
To complete the table
4 | 6 | 8 | 10 | 12 | 14 | |
38 | 33.2 | 29.8 | 27.16 | 25 | 23.18 |
c.
To using : the graph and table of the function what conclusion can you make about the number of miles
c.
Explanation of Solution
Given information : The question is
The number of miles of road cleared of snow in
from part (a) and (b) the number of miles decreases continously
Chapter 3 Solutions
Precalculus with Limits: A Graphing Approach
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