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anonymous
 one year ago
The temperature of a chemical reaction ranges between 20°C and 160°C. The temperature is at its lowest point when t = 0, and the reaction completes one cycle over an eighthour period. What is a cosine function that would model this reaction?
anonymous
 one year ago
The temperature of a chemical reaction ranges between 20°C and 160°C. The temperature is at its lowest point when t = 0, and the reaction completes one cycle over an eighthour period. What is a cosine function that would model this reaction?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0A. f(t) = 90 cos pi over 4t + 70 B. f(t) = 70 cos pi over 4t + 90 C. f(t) = 70 cos 8t + 90 D. f(t) = 90 cos 8t + 70

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I'm thinking it's C because I believe that the constant is 70?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@ParthKohli @wade123

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0sorry @twinkle12377 Im not very good as trig I am better with algebra

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I can usually help with calculus as well

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0personally I would graph the functions and choose the one the is 20 at 0 and 160 at 8

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ohhh okay thank you so much! :) @zoomiemoo
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