a.
To write: A model giving the price
Given:
The average price of a ticket is $48.28.
The price is increased by 6% per year for the next 4 years.
Calculation:
Here, the initial price is
The growth rate is,
Now the model is,
b.
To graph: The model and to estimate the year in which the price of a ticket is $60.
The price of the ticket is $60 in the year 2004.
Given:
Calculation:
The graph of the model passes through the points
Now the graph is,
From the graph, it can be seen that the price of ticket is $60 in about four years after 2000.
Hence, the price of the ticket is $60 in the year 2004.
c.
To graph: The model and to estimate the year in which the price of a ticket is $60.
The minimum value is $48.28 and the maximum value is $61.
Given:
Calculation:
From the graph in subpart (b), it can be seen that
So, the domain is
In this domain values, the price of the ticket ranges from $48.28 to $61.
So, the minimum value is 48.28 and the maximum value is 61.
Chapter 4 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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