
Concept explainers
a.
To graph the function.
a.

Explanation of Solution
Given information:
For selected years from 1955 through 2010, the annual per capita consumption
Graph:
The graph of the model is:
b.
To determine the year in which maximum annual consumption of cigarettes occurred and the maximum average annual consumption.
b.

Answer to Problem 69E
Final answer
Explanation of Solution
Given information:
For selected years from 1955 through 2010, the annual per capita consumption
Formula used:
The following formula is used:
Calculation :
In the given function,
The function has a maximum value when
The value of
Hence, for the year
The maximum average annual consumption can be calculated by:
Hence, the maximum annual consumption is
c.
To determine whether the health warning printed on cigarette packages from 1966 had any effect on the consumption.
c.

Answer to Problem 69E
There is no significant effect on the consumption of cigarettes after the warnings were printed on the packages in 1966.
Explanation of Solution
Given information:
For selected years from 1955 through 2010, the annual per capita consumption
The graph of the model is:
Calculation :
For the year 1966,
The consumption of cigarettes for the year 1966 can be calculated by:
Hence, it can also be seen from the graph that there is no significant effect on the consumption of cigarettes after the warnings were printed on the packages in 1966.
d.
To determine the average annual cigarette consumption per smoker in 2010 and the average daily cigarette consumption per smoker.
d.

Answer to Problem 69E
The average daily cigarette consumption per smoker in 2010 was
Explanation of Solution
Given information:
For selected years from 1955 through 2010, the annual per capita consumption
Calculation :
For the year 2010,
The consumption of cigarettes per smoker for the year 2010 can be calculated by:
Hence, the average annual cigarette consumption per smoker in 2010 was
The daily average cigarette consumption per smoker can be calculated by:
Hence, the average daily cigarette consumption per smoker in 2010 was
Chapter 2 Solutions
Precalculus with Limits: A Graphing Approach
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