Select the Graph of the Function $y = \cos \frac { x } { 4 }$

question 185

Multiple Choice

Select the graph of the function.(Include two full periods.)
$y = \cos \frac { x } { 4 }$

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Definitions:

Coefficient of Correlation

A measure that quantifies the degree to which two variables' movements are associated, ranging from -1 to 1, where values close to 1 or -1 indicate strong association.

Dependent Variable

In statistical modeling, the variable that is being studied and predicted, and whose variation is assumed to depend on other variables.

Independent Variable

A variable in a scientific experiment that is manipulated or changed to test its effects on the dependent variable.

Coefficient of Correlation

A numerical measure that indicates the strength and direction of a linear relationship between two variables.