Use the given table below to solve this problem regarding windchill temperature.

(a) [3 pts] Find the windchill temperature W when the air temperature T is 25 F and the windspeed V is 10 mph. (b) [3 pts] If the windspeed is 20 mph, what air temperature causes a windchill tem- perature of -15F? (c) [5 pts] At a windspeed of 30 mph and air temperature of 5 F estimate the rate of change of the windchill temperature with respect to air temperature if the windspeed is held constant. (This should be computed by taking the average of the left and right quotients.) (d) [5 pts] At a windspeed of 30 mph and air temperature of 5 F estimate the rate of change of the windchill temperature with respect to windspeed if the air temper- ature is held constant. (c) [12 pts] Use part (c) and (d) to obtain a tangent plane approximation of the windchill temperature at (V, T) = (30 mph, 5.F) and use it to approximate the windchill temperature at (V, T) = (31 mph, 4.F). (f) [12 pt] Table A was constructed from the formula W(V,T) = 35.74 + 0.6217 - 35.75V0.16 + 0.4275TV0.16 (1) Compare your answers from part (c)-(c) with those computed directly with ().\f