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The daily temperature in degrees Fahrenheit of Phoenix in the summer can be modeled by the function T x 94 10 cos x 6 12

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The daily temperature in degrees Fahrenheit of Phoenix in the summer can be modeled by the function T x 94 10 cos x 6 12 where x is hours after midnight Find the rate at which the temperature is changing at 2 4 p m O a 2 1180 O b 1 4122 O c 2 4612 O d 4 8466 e 0 1534 O f 0 8820

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