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18 May, 02:45

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?

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  1. 18 May, 05:46
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    I would think it would be all real non zero numbers. I mean if x is time you can't have negative time, right?
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