Which Method Should Be Used to Solve the System? Explain $$x \geq - 3$$

question 214

Multiple Choice

Which method should be used to solve the system? Explain your answer, including a description of the first step.
- $$x \geq - 3$$

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Definitions:

Sample Size

The number of observations or data points that constitute a sample in a statistical study.

Z-test

A statistical test used to determine if there is a significant difference between sample and population means.

Level of Significance

A threshold of probability set by the researcher to determine the cutoff at which an observed result is considered statistically significant.

Degrees of Freedom

A concept in statistics that represents the number of independent values or quantities that can vary in the calculation of a statistic.