The Number of People Playing Tennis T (In Millions) in the United

question 446

Multiple Choice

The number of people playing tennis T (in millions) in the United States from 2000 through 2007 can be approximated by the function
$T ( t ) = 0.0236 t ^ { 4 } - 0.3401 t ^ { 3 } + 6.556 t ^ { 2 } - 2.86 t + 26.8$
And the U.S.population P (in millions) from 2000 through 2007 can be approximated by the function $P ( t ) = 5.78 t + 221.5$ , where t represents the year, with t = 0 corresponding to 2000.
Find $h ( t ) = \frac { T ( t ) } { P ( t ) }$ .

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Definitions:

Dreaming

A mental activity that occurs during sleep, characterized by vivid narratives or images.

REM Sleep

A phase of sleep characterized by rapid eye movement, during which dreaming often occurs and brain activity is similar to that of being awake.

Sleep Cycle

A progression through several stages of NREM and REM sleep, repeating several times throughout a typical night's rest.

Sleepwalks

The act of walking or performing other complex behaviors while in a state of sleep.