SOLUTION: Charlie uses the function f(x) = 2x2 + 5x + 3 to track the temperature of a substance, where x represents the time. When you evaluate f(5) you find that the temperature of the subs

Question 453165: Charlie uses the function f(x) = 2x2 + 5x + 3 to track the temperature of a substance, where x represents the time. When you evaluate f(5) you find that the temperature of the substance is 78�C. What is the domain of the situation of Charlie's quadratic function?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Charlie uses the function f(x) = 2x^2 + 5x + 3 to track the temperature of a substance, where x represents the time.
When you evaluate f(5) you find that the temperature of the substance is 78�C.
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What is the domain of the situation of Charlie's quadratic function?
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Probably x >= 0 if unless -time has some meaning.
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Cheers,
Stan H.

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