Suppose wind and cold temperatures combine to make the air temperature feel colder than it actually is. This combination is reported as wind chill. The following table shows that wind chill temperatures, WC, are a function of wind speed, 
, and air temperature, 
. If ![]()
src="https://sciemce.com/media/3/ppg__cognero__Chapter_14_Functions_of_Two_or_More_Variables__media__c3eec3be-831f-46b6-8ac5-849b8177ec33.PNG" style="vertical-align:middle;" />, use the table to find 
and interpret the answer.
?
Air Temperature 
Wind Speed
(mph)
3525155-5-15-255
34
19
7
5
-6
-28
-40
15
25
13
0
-13
-26
-39
-51
25
23
9
-4
-14
-31
-44
-58
35
21
7
-7
-21
-34
-50
-62
45
19
5
-18
-23
-37
-51
-65
?
A. 
For a wind speed of 5 mph and air temperature of 
, the wind-chill temperature is 
.
B.
For a wind speed of 5 mph and air temperature of 
, the wind-chill temperature is 
.
C.
For a wind speed of 5 mph and air temperature of 
, the wind-chill temperature is 
.
D.
For a wind speed of 5 mph and air temperature of 
, the wind-chill temperature is 
.
E.
For a wind speed of 5 mph and air temperature of 
, the wind-chill temperature is 
.
Answer: A
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