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Attending to Precision and Units
Worksheet
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Algebra II
ALG2.6 Attending to Precision and Units
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The model T(t) = 68 + 12sin(pi t / 12) gives temperature T in degrees Fahrenheit at time t in hours. Which statement is most precise?
A
68 is the time in hours and 12 is the temperature in degrees Fahrenheit.
B
68 is degrees per hour and 12 is hours.
C
68 is the average temperature in degrees Fahrenheit and 12 is the amplitude in degrees Fahrenheit.
D
Both 68 and 12 are unitless because they are constants.
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