The following questions refer to the table shown below, giving the temperature adjusted for wind-chill, C, in ° F, as a function f(w, T) of the wind speed, w, in mph, and the temperature, T, in ᵒ F. The temperature adjusted for wind-chill tells you how cold it feels, as a result of the combination of wind and temperature. T= 35T = 30T=25T = 20T = 15T = 10T = 5T=0 31 25 19 13 7 1 -5 -11 27 15 9 3 -4 -10 -16 25 13 6 0 -7 -13 -19 24 11 4 -2 -9 -15 -22 23 9 3 -4 -11 -17 -24 (a) Estimate fu(25, 35): fw(25, 35) Be sure you can state in practical terms what your answer means. (b) Estimate fr(20, 10): fr(20, 10) Be sure you can state in practical terms what your answer means. w=5 w = 10 w = 15 w 20 w=25 21 19 17 16

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