Asked by sammiexo
The temperature of a liquid during an experiment can be modeled by the function f(x)=3.8cos(πx20)+2.2 , where f(x) is the temperature in °C and x is the number of minutes into the experiment.
What is the lowest temperature the liquid reached during the experiment?
Round to the nearest tenth of a degree if needed.
Use 3.14 for π .
confused please help!!
What is the lowest temperature the liquid reached during the experiment?
Round to the nearest tenth of a degree if needed.
Use 3.14 for π .
confused please help!!
Answers
Answered by
Steve
since the lowest value of cos(x) is -1. the lowest temperature is
3.8(-1)+2.2 = -1.6
3.8(-1)+2.2 = -1.6
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