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OpenStudy (anonymous):
A heated piece of metal cools according to the function c(x) = (.5)^(x − 7), where x is measured in hours. A device is added that aids in cooling according to the function h(x) = −x − 2. What will be the temperature of the metal after two hours? a. −4° Celsius b. 28° Celsius c. 32° Celsius d. 38° Celsius Thanks in advance!
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