Determine the Phase Shift of the Function $$y = 4 \cos \left( x + \frac { \pi } { 4 } \right)$$

question 197

Multiple Choice

Determine the phase shift of the function.
- $$y = 4 \cos \left( x + \frac { \pi } { 4 } \right)$$

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

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