Find All Real Values Of $x$ Such That $f ( x ) = 0$

question 55

Multiple Choice

Find all real values of $x$ such that $f ( x ) = 0$ .
$$f ( x ) = \frac { - 3 x - 2 } { 5 }$$

• A) \(- \frac { 2 } { 15 }\)
• B) \(\pm \frac { 2 } { 15 }\)
• C) \(\pm \frac { 2 } { 3 }\)
• D) \(- \frac { 2 } { 3 }\)
• E) \(\frac { 2 } { 3 }\)

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Definitions:

Covariances

A measure of the degree to which two variables change with respect to each other, indicating the direction of their linear relationship.

Regression Analysis

A statistical method used to examine the relationship between a dependent variable and one or more independent variables.

Descriptive Statistics

Statistical procedures that summarize, present, and describe data sets in terms of properties like mean, median, and variance.

Least Squares Regression

A statistical method used to determine the line of best fit by minimizing the sum of the squares of the vertical distances of the points from the line.