What is the amplitude of the function f(x) = 3 sin(2x - 5) + 4?
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3
The amplitude is the absolute value of the coefficient of the sine or cosine term. it represents the maximum displacement of the wave from its central axis (in this case, y=4).
Also asked as:
- For the trigonometric function f(x) = 3 sin(2x - 5) + 4, what is the amplitude?