The temperature of a room during an experiment can be modeled by the function f (x) = 23.7cos (πx60) + 18, where f (x) is the temperature °f and x is the number of hours into the experiment. what is the lowest temperature the room reached during the experiment? round to the nearest tenth of a degree if needed. use 3.14 for π. enter your answer in the box.

Question

Sarah Ayers

Mathematics

27 March, 15:48

The temperature of a room during an experiment can be modeled by the function f (x) = 23.7cos (πx60) + 18, where f (x) is the temperature °f and x is the number of hours into the experiment. what is the lowest temperature the room reached during the experiment? round to the nearest tenth of a degree if needed. use 3.14 for π. enter your answer in the box.

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Robertson · Answer 1

I believe the answer is - 5.7 because 18 is the midline and 23.7 is the amplitude. With those two values you can calculate the maximum and minimum.

18 - 23.7 = - 5.7