The wind-chill index is modeled by the function W 13.12 1 0.6215T 2 11.37v 0.16 1
Chapter 9, Problem 42(choose chapter or problem)
The wind-chill index is modeled by the function W 13.12 1 0.6215T 2 11.37v 0.16 1 0.3965Tv 0.16 where T is the temperature (in C) and v is the wind speed (in kmyhd. When T 215 C and v 30 kmyh, by how much would you expect the apparent temperature W to drop if the actual temperature decreases by 1C? What if the wind speed increases by 1 kmyh?
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