Determine the Amplitude or Period as Requested $y = - 3 \cos \frac { 1 } { 2 } x$

question 176

Multiple Choice

Determine the amplitude or period as requested.
-Period of $y = - 3 \cos \frac { 1 } { 2 } x$

• A) \(4 \pi\)
• B) \(- 3\)
• C) \(\frac { 3 \pi } { 2 }\)
• D) \(\frac { \pi } { 2 }\)

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