Give the Amplitude or Period as Requested $y = 5 \cos \frac { 1 } { 4 } x$

question 162

Multiple Choice

Give the amplitude or period as requested.
-Amplitude of $y = 5 \cos \frac { 1 } { 4 } x$

• A) \(8 \pi\)
• B) \(\frac { \pi } { 5 }\)
• C) 5
• D) \(\frac { 5 \pi } { 4 }\)

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Definitions:

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