(a)
To find: Whether the graph be modelled in sin or cosine function. Give reasoning.
The value of
Given information:
The given graph is below:
The graph is to be modelled as sine function because midline of the graph intersects at
(b)
To find: Give the trigonometric model for the graph.
The model for the given graph is .
Given information:
The given graph is:
The model for the graph is
First find amplitude:
The maximum value
Find the vertical shift
The period of the function is 2.
Horizontal shift is
Substitute all the values in
(c)
To find: On which days of the year the average temperature in Coloredo is
The number of days are
Given information:
The model for the given graph is .
Calculation:
Substitute
The number of days are
Chapter 10 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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