Choose the One Alternative That Best Completes the Statement or Answers

question 314

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-In 1990, the population of a country was estimated at 4 million. For any subsequent year the population, $\mathrm { P } ( \mathrm { t } )$ (in millions) , can be modeled by the equation $\mathrm { P } ( \mathrm { t } ) = \frac { 240 } { 5 + 54.99 \mathrm { e } ^ { - 0.0208 \mathrm { t } } }$ , where $t$ is the number of years since 1990 .
Estimate the year when the population will be 21 million.

• A) approximately the year 2088
• B) approximately the year 2016
• C) approximately the year 2093
• D) approximately the year 2041

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Definitions:

Autokinetic Illusion

A visual illusion in which a stationary point of light appears to move in the dark.

Hue

A color or shade in the spectrum, defined by its wavelength of light.

Saturation

In a chemical context, the point at which a solution can no longer dissolve more of a solute; in color theory, the intensity of a color.

Subtractive Color

A color model in which colors are created by subtracting light from a white background using color filters, typical in printing.