Find the Phase Shift of the Function $$y = - 3 \cos ( 4 x + \pi )$$

question 79

Multiple Choice

Find the phase shift of the function.
- $$y = - 3 \cos ( 4 x + \pi )$$

• A) \(\frac { \pi } { 3 }\) units to the left
• B) \(3 \pi\) units to the right
• C) \(4 \pi\) units to the right
• D) \(\frac { \pi } { 4 }\) units to the left

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