Concept explainers
The equation of the curve.
Answer to Problem 20WE
The equation of the curve is
Explanation of Solution
Given:
Calculations:
Suppose general form of a function,
Here, a is the amplitude of the function.
And period is
Also,
The average of sum of maximum and minimum gives,
The average of difference of maximum and minimum value gives amplitude,
From the graph,
The value of curve at origin is 0.
The given curve is a sine curve. Since, the value of sine 0 is 0.
The curve completes a cycle in interval of 10. So, the period of the given cycle is 10 .
Therefore,
We know that,
The maximum value of the curve is 0 and the minimum value is -2.
Therefore,
So, the equation of the graph is
Chapter 13 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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