Which Transformation Was Not Performed on Y=\sin X $y=-2 \sin \left(3 x+\frac{\pi}{3}\right) ?$

question 39

Multiple Choice

Which transformation was not performed on y=\sin x to obtain $y=-2 \sin \left(3 x+\frac{\pi}{3}\right) ?$

• A) \(\text { Horizontal shift left } \frac{\pi}{9} \text { units }\)
• B) Horizontal stretch by a factor of 3
• C) Vertical stretch by a factor of 2
• D) Reflection through the x -axis
• E) \(\text { Horizontal shrink by a factor of } \frac{1}{3}\)

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