The Percent P of Men 65 Years of Age or Older

question 143

Multiple Choice

The percent P of men 65 years of age or older in the labor force can be modeled by , where x is the number of years past 1890 (Source: U.S. Bureau of the Census) . Plot this function using a graphing utility. What range of x-values and y-values do you need to use to view this graph for the years 1890 to 2010? ​

• A)x-min = 0, x-max = 120 y-min = 0, y-max = 60
• B)x-min = -120, x-max = 0 y-min = 0, y-max = 70
• C)x-min = -120 , x-max = 120 y-min = 0, y-max = 50
• D)x-min = 0, x-max = 90 y-min = 0, y-max = 50
• E)x-min = 0, x-max = 120 y-min = 0, y-max = 70

---

Definitions:

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air and is absorbed by plants in photosynthesis.

Largest Cartilage

The thyroid cartilage, better known as the Adam’s apple, is the largest cartilage in the larynx or voice box.

Larynx

The voice box located in the throat, responsible for producing sound, protecting the airway during swallowing, and regulating airflow.

Adam's Apple

The projection at the front of the neck formed by the thyroid cartilage of the larynx, more prominent in men than in women.