Simplify the Rational Expression $\frac { 12 x - 30 x ^ { 2 } } { 6 x }$

question 13

Multiple Choice

Simplify the rational expression.
- $\frac { 12 x - 30 x ^ { 2 } } { 6 x }$

• A) 1
• B) 0
• C) \(2 + 5 x\)
• D) \(2 - 5 x\)

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Definitions:

Significance Level

The threshold below which the p-value of test results must fall for the results to be considered statistically significant, typically denoted by alpha (α).

Normal Populations

Populations that follow a normal distribution, characterized by symmetrical bell-shaped curves where mean, median, and mode are equal.

Equal-variance T-test

A statistical test used to compare the means of two groups under the assumption that both groups have the same variance.

Population Variances

A measure of the spread or dispersion within a dataset, representing the average of the squared differences from the mean of the population.