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Mathematics 7 Online
OpenStudy (mallorysipp234):

someone help a girl out. A heated piece of metal cools according to the function c(x) = (.5)x − 10, where x is measured in hours. A device is added that aids in cooling according to the function h(x) = −x − 1. What will be the temperature of the metal after five hours? −6° Celsius 26° Celsius 32° Celsius 38° Celsius

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