Without Graphing the Function, Determine Its Amplitude or Period as Requested

question 254

Multiple Choice

Without graphing the function, determine its amplitude or period as requested.
- $y = 4 \sin x \quad$ Find the amplitude.

• A) \(\frac { \pi } { 5 }\)
• B) \(2 \pi\)
• C) \(- 5 \pi\)
• D) 5

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