Find the Specified Quantity $y = - 4 \cos \left( 5 x + \frac { \pi } { 2 } \right)$

question 170

Multiple Choice

Find the specified quantity.
-Find the period of $y = - 4 \cos \left( 5 x + \frac { \pi } { 2 } \right)$ .

• A) \(\frac { 2 \pi } { 5 }\)
• B) 4
• C) \(\pi\)
• D) \(\frac { \pi } { 2 }\)

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Definitions:

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A behavior modification technique involving the removal of a desirable stimulus after unwanted behavior occurs, with the aim of decreasing that behavior.

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