• laughoutloud
The temperature of a chemical reaction ranges between −10 degrees Celsius and 50 degrees Celsius. The temperature is at its lowest point when t = 0, and the reaction completes 1 cycle during a 6-hour period. What is a cosine function that models this reaction? f(t) = −30 cos pi over 3t + 20 f(t) = −60 cos pi over 3t + 30 f(t) = 30 cos 6t + 20 f(t) = 60 cos 6t + 30
Mathematics

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