Find the Specified Quantity $y = - 2 \cos ( 4 x - \pi )$

question 115

Multiple Choice

Find the specified quantity.
-Find the amplitude of $y = - 2 \cos ( 4 x - \pi )$ .

• A) \(- 8\)
• B) \(\pi\)
• C) 4
• D) 2

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Mirror

An object that reflects light in such a way that, for incident light in some range of wavelengths, it reflects an image of what is in front of it.