a.
Graph the three models in the same viewing window by using graphing utility.
a.
Answer to Problem 10PS
Explanation of Solution
Given information:
A popular theory that attempts to explain the ups and downs of everyday life states that each person has three cycles, called biorhythms, which begin at birth. These three cycles can be modeled by the sine functions below, where
Consider a person who was born on July
Use a graphing utility to graph the three models in the same viewing window for
Calculation:
Here, we will consider the models:
Now we will draw the graph of the given function on the given rectangular coordinate system in
Here,
The black graph is:
The blue graph is:
The green graph is:
Hence, the results are shown in the above graph.
b.
Describe the person’s biorhythms during the month of September
b.
Answer to Problem 10PS
Explanation of Solution
Given information:
A popular theory that attempts to explain the ups and downs of everyday life states that each person has three cycles, called biorhythms, which begin at birth. These three cycles can be modeled by the sine functions below, where
Consider a person who was born on July
Describe the person’s biorhythms during the month of September
Calculation:
Here, our objective is to describe the person’s biorhythms during the month of September
Hence, in the above part, first they all start out high, then go down, and then go back up again.
c.
Calculate the person’s three energy levels on September
c.
Answer to Problem 10PS
Explanation of Solution
Given information:
A popular theory that attempts to explain the ups and downs of everyday life states that each person has three cycles, called biorhythms, which begin at birth. These three cycles can be modeled by the sine functions below, where
Consider a person who was born on July
Calculate the person’s three energy levels on September
Calculation:
Here, our objective is to find the person’s three energy levels on September
We are given that the person was born on July
Now, we will substitute
Now, we will substitute
Now, we will substitute
Hence, the person’s three energy levels on September
Chapter 4 Solutions
EBK PRECALCULUS W/LIMITS
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