Question: What is the amplitude of the function y = 3cos(2x)?
Options:
1
2
3
4
Correct Answer: 3
Solution:
The amplitude is the coefficient in front of the cosine function, which is 3.
What is the amplitude of the function y = 3cos(2x)?
Practice Questions
Q1
What is the amplitude of the function y = 3cos(2x)?
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Questions & Step-by-Step Solutions
What is the amplitude of the function y = 3cos(2x)?
Amplitude – The amplitude of a cosine function is the absolute value of the coefficient in front of the cosine term, which indicates the maximum height of the wave from its midline.
Cosine Function – Understanding the general form of the cosine function, y = A cos(Bx), where A is the amplitude and B affects the period.
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