KekePonds1021
27.07.2019 •
Mathematics
The function c(w)=0.013w^2-w-7 estimates the wind chill temperature c(w) at 0f for wind speeds w from 5 to 30 miles per house estimate the wind chill temperature at 0f if the wind speed is 20 miles per hour
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Ответ:
c (w) = 0.013w ^ 2-w-7
We note that w = 20 belongs to the interval [5, 30]. Therefore, we can use the equation.
Substituting w = 20 we have:
c (20) = 0.013 * (20) ^ 2- (20) -7
c (20) = - 21.8
the wind chill temperature at 0f if the wind speed is 20 miles per hour is:
c (20) = - 21.8
Ответ: