Mathematical Modeling
Pre-Algebra · Flashcards
PRE-ALGEBRA · FLASHCARDS
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QUESTION
The temperature is
60
∘
60^\circ
6
0
∘
F and falls
2
∘
2^\circ
2
∘
F each hour. What equation models the temperature
T
T
T
after
h
h
h
hours?
QUESTION
A phone plan charges 25 dollars plus 0.10 dollars per minute over 500 minutes. What is the bill for 625 minutes?
QUESTION
In a model where
n
n
n
counts people, which values of
n
n
n
make sense?
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ANSWER
Whole numbers only:
0
,
1
,
2
,
3
0, 1, 2, 3
0
,
1
,
2
,
3
and so on. A count of people cannot be negative or fractional.
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