The Following Table Shows the Numbers of U

question 225

Multiple Choice

The following table shows the numbers of U.S. cellular subscriberships (in millions) from 1985 to 2002.

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Source: The CTIA Semi-Annual Wireless Industry Survey
Assume that the number of U.S. cellular subscriberships, in millions, can be modeled by the function , where t is the number of years past 1980. Use the second derivative to estimate how fast the rate of increase in subscriberships was changing in 1991 in millions of subscriberships per year.
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• A) 121.08
• B) -121.08
• C) 1.08
• D) -1.08
• E) 0

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Smoking

The practice of inhaling smoke from the burning of tobacco or other substances, which is known to have harmful health effects.

Physical Activity Program

A structured schedule of physical exercises designed to improve health and physical fitness.

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Refers to the maximum amount of force a muscle or group of muscles can exert in a single effort.

Muscular Endurance

The ability of a muscle, or group of muscles, to perform repetitive contractions over a period of time without becoming fatigued.