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

question 286

Multiple Choice

Without graphing the function, determine its amplitude or period as requested.
- $y = - 4 \sin 5 x \quad$ Find the amplitude.

• A) \(\frac { \pi } { 4 }\)
• B) \(\frac { \pi } { 3 }\)
• C) \(\frac { 4 } { 3 }\)
• D) 4

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