Find the Phase Shift of the Function $$y = - 5 \cos \left( x + \frac { \pi } { 4 } \right)$$

question 57

Multiple Choice

Find the phase shift of the function.
- $$y = - 5 \cos \left( x + \frac { \pi } { 4 } \right)$$

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

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