The Total Numbers of Navy Personnel N (In Thousands) and Marines

question 183

Multiple Choice

The total numbers of Navy personnel N (in thousands) and Marines personnel M (in thousands) from 2000 through 2007 can be approximated by the models
$N ( t ) = 0.193 t ^ { 3 } - 3.88 t ^ { 2 } + 15.9 t + 370$ and $M ( t ) = 0.033 t ^ { 3 } - 0.21 t ^ { 2 } + 1.7 t + 171$
Where t represents the year, with t = 0 corresponding to 2000.

Find and interpret $( N + M ) ( t )$ .

---

Definitions:

Behavior Expectations

The anticipated or desired ways of behaving in a particular context or environment, often communicated through norms, rules, or guidelines.

Self-Appraisals

Individuals' evaluations or assessments of their own behavior, qualities, and performances.

Perceived Attractiveness

The subjective assessment of how appealing or aesthetically pleasing an individual or object is considered.

Illustrative Example

A specific instance or case that is used to explain or clarify a concept, theory, or methodology.