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Suppose you put a hot cup of coffee at 180° F out on the counter and it cools by 2.5° F per minute. Write a function to represent the temperature of the coffee as T(m), where T represents the temperature and m represent the minutes the coffee is left out. Write the domain and range of the function in interval notation, should a person leave the coffee out for 20 minutes.

Sagot :

Answer:

T(m) = 2.5m+180

Domain: [0,20]

Range: [180,∞)