Without Graphing the Function, Determine Its Amplitude or Period as Requested

question 76

Multiple Choice

Without graphing the function, determine its amplitude or period as requested.
- $y = \frac { 7 } { 6 } \sin \left( - \frac { 8 \pi } { 3 } x \right) \quad$ Find the period.

• A) \(\frac { 7 } { 4 }\)
• B) \(\frac { 2 } { 3 }\)
• C) \(\frac { 3 \pi } { 2 }\)
• D) \(\frac { 16 \pi } { 7 }\)

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Definitions:

Regression Analysis

A set of statistical processes for estimating the relationships among variables.

Least Squares Line

A line that minimizes the sum of the squares of the vertical distances of the points from the line, used in linear regression analysis.

Predicted Amount

A rephrased term for predicted values, indicating the numerical estimates generated by a predictive model.

Simple Linear Regression Model

A statistical method for understanding the relationship between two continuous variables by fitting a straight line to the observed data.