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

question 183

Multiple Choice

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

• A) \(- 2\)
• B) \(\frac { 2 \pi } { 3 }\)
• C) \(6 \pi\)
• D) \(\frac { \pi } { 3 }\)

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Definitions:

Ecto-

A prefix meaning "outside" or "external," used in biological and medical terminology.

Out

Positioned or situated beyond the limits or confines of a specified place or area.

Outer

Referring to the external part or surface of something.

Pericardial

Related to the pericardium, the membrane enclosing the heart.