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

question 157

Multiple Choice

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

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

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