Determine the Domain and the Range of the Function $$f ( x ) = - x ^ { 2 } - 10 x$$

question 114

Multiple Choice

Determine the domain and the range of the function.
- $$f ( x ) = - x ^ { 2 } - 10 x$$

• A) domain: {x|x≤5}
• B) domain: all real numbers range: {y|y ≤25} range: {y|y ≤25}
• C) domain: all real numbers
• D) domain: {x|x ≤-5} range: {y|y ≤-25} range: {y|y ≤25}

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Definitions:

Confidence Level

The probability that the value of a parameter falls within a specified range of values.

Population Standard Deviation

A measure of the dispersion or spread of all the data points in a population dataset.

Interval Estimate

A range of values derived from sample data that is likely to contain the value of an unknown population parameter.

Sampling Distribution

The probability distribution of a statistic based on all possible random samples that can be drawn from a population.