MC2007
03.07.2019 •
Mathematics
Alice's freezer can be set to a range of temperatures, from -6^\circ−6 ∘ minus, 6, degree to -1^\circ−1 ∘ minus, 1, degree celsius. when the temperature is -1^\circ−1 ∘ minus, 1, degree celsius, it takes water 444 hours to freeze, which is the longest time. the shortest time is 222 hours, when the temperature is set to -6^\circ−6 ∘ minus, 6, degree celsius. t(t)t(t)t, left parenthesis, t, right parenthesis models the time (in hours) it takes water to freeze at a temperature of ttt degrees celsius. which number type is more appropriate for the domain of ttt?
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Ответ:
We have been given that Alice's freezer can be set to a range of temperatures from to .
We have been given that when the temperature is it takes 4 hours to freeze water, which is the longest time. The shortest time is 2 hours, when the temperature is set to .
We can represent this information as:
We can see that domain of function will be integers from -6 to -1 because temperature is usually measured to nearest integer.
Therefore, domain of our function will be integer numbers {-6,-5,-4,-3,-2,-}.
Ответ:
Are you familiar with that?