T Actual temperature 15 C 10 C 20 lim 25 V 20 18 30 40 50 60 20 21 24 26 27 aw b In general what can you say about the signs of and T 30 33 34 35 37 39 41 42 22 23 23 c What appears to be the value of the following limit aw 29 30 30 a Estimate the values of f 15 30 and f 15 30 Round your answers to two decimal places f 15 30 f 15 30 36 What are the practical interpretations of these values When the actual temperature is 15 C and the wind speed is 30 km h for every degree that the actual temperature rises the apparent temperature rises 1 When the actual temperature is 15 C and the wind speed is 30 km h for every km h that the wind speed increases the apparent temperature decreases B by about C 70 43 aw v For a fixed wind speed v the values of the wind chill index W increase 37 44 For a fixed temperature T the values of W decrease or remain constant as v increases aw as temperature T increases so is positive T B SO aw is negative v BV B by about