Find the Domain Of $x$ In the Expression $\sqrt { 25 - 16 x ^ { 2 } }$

question 47

Multiple Choice

Find the domain of $x$ in the expression. Use a graphing utility to verify your result.
$\sqrt { 25 - 16 x ^ { 2 } }$

• A) \(\left[ - \frac { 5 } { 4 } , - \frac { 5 } { 4 } \right]\)
• B) \(\left[ - \frac { 4 } { 5 } , - \frac { 4 } { 5 } \right]\)
• C) \(\left[ - \frac { 4 } { 5 } , \frac { 4 } { 5 } \right]\)
• D) \(\left[ \frac { 5 } { 4 } , \frac { 5 } { 4 } \right]\)
• E) \(\left[ - \frac { 5 } { 4 } , \frac { 5 } { 4 } \right]\)

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Definitions:

Darnall-Preston Complexity Index

A framework used to assess the complexity of managing projects, based on dimensions such as size, diversity, and uncertainty.

Complexity

The state or quality of being intricate or complicated, often making analysis, management, or understanding challenging.

Project Sponsor

An individual or group that provides resources and support for a project and is accountable for its success.

Project Costs

The total expenses incurred in the planning, execution, and completion of a project, including materials, labor, and overhead.