The amplitude of a periodic function measures the amount of variation in the function values.
The amplitude of a periodic function is half the difference between the maximum and minimum values of the function.
Problem 3 Finding Amplitude of a Periodic Function
What is the amplitude of the periodic function below?
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| Use the definition of amplitude. |
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| Substitute 4 for the maximum and
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| Subtract within parentheses and simplify. |
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✓ Got It?
- What is the amplitude of each periodic function?
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You can model some data with periodic functions. The rotation of a Ferris wheel, the beating of a heart, and the movement of sound waves are all examples of real-world events that generate periodic data.
Table of Contents
- 5-1 Polynomial Functions
- 5-2 Polynomials, Linear Factors, and Zeros
- 5-3 Solving Polynomial Equations
- 5-4 Dividing Polynomials
- 5-5 Theorems About Roots of Polynomial Equations
- 5-6 The Fundamental Theorem of Algebra
- 5-7 The Binomial Theorem
- 5-8 Polynomial Models in the Real World
- 5-9 Transforming Polynomial Functions