ddirtydan123 ddirtydan123

22-02-2018
Mathematics

contestada

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?

Respuesta :

calculista calculista

03-03-2018

we have that
the function is f(x)=3.8cos(πx20)+2.2

using a graph tool
see the attached figure

the answer is
the lowest temperature the liquid reached during the experiment is -1.6 °C

Ver imagen calculista

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