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

Question 193

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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