laughoutloud
  • 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
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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laughoutloud
  • laughoutloud
@jim_thompson5910
jim_thompson5910
  • jim_thompson5910
what is the range from -10 to +50 ?
laughoutloud
  • laughoutloud
60?

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jim_thompson5910
  • jim_thompson5910
yes, now we cut that in half to get 60/2 = 30
jim_thompson5910
  • jim_thompson5910
30 is the amplitude
jim_thompson5910
  • jim_thompson5910
what is the midpoint from -10 to 50 ?

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