SOLUTION: Can you please help I don't get it. Consider a mechanic who has a 55-gallon drum filled with a solution that she uses to clean tools. She estimates that she uses two gallons of thi

Question 1154984: Can you please help I don't get it. Consider a mechanic who has a 55-gallon drum filled with a solution that she uses to clean tools. She estimates that she uses two gallons of this solution each week. Which statement below best represents the domain of this function?
The domain is the number of weeks and can be any real number.
The domain is the number of weeks and can be any positive real number.
The domain is the number of weeks and can be any real number between 0 and 27.5.
The domain is the number of weeks and can be any real number between 0 and 55.
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
The problem describes a practical situation. One of those choices makes better, the best sense compared to the other choices.

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The domain is the number of weeks and can be any real number.
The domain is the number of weeks and can be any positive real number.
The domain is the number of weeks and can be any real number between 0 and 27.5.
The domain is the number of weeks and can be any real number between 0 and 55.
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If starts with 55 gallons and use 2 gallons each week, then you know:
TIME will not be negative;
time will be limited according to that "55 gallon" starting volume;

YOU CAN ANSWER THIS.
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