Find the Phase Shift of the Function $$y = - 4 \sin \left( 4 x - \frac { \pi } { 2 } \right)$$

question 155

Multiple Choice

Find the phase shift of the function.
- $$y = - 4 \sin \left( 4 x - \frac { \pi } { 2 } \right)$$

• A) \(4 \pi\) units down
• B) \(4 \pi\) units up
• C) \(\frac { \pi } { 8 }\) units to the right
• D) \(\frac { \pi } { 2 }\) units to the left

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