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The function is , where is the ground speed(air speed wind).
(a)
The function is .
No wind condition :
ground speed = air speed.
mph.
Substitute in the function.
The cost per passenger for quiescent (no wind) conditions is .
(b)
The function is .
Head wind speed = 50 mph.
ground speed = air speed - head wind speed.
Substitute in the function.
The cost per passenger with a head wind of 50 mph is .
(c)
The function is .
Tail wind speed = 100 mph.
ground speed = air speed + tail wind speed.
Substitute in the function.
The cost per passenger with a tail wind of 100 mph is .
(d)
The function is .
Head wind speed = 100 mph.
ground speed = air speed - head wind speed.
Substitute in the function.
The cost per passenger with a head wind of 100 mph is .
(a) The cost per passenger for quiescent (no wind) conditions is .
(b) The cost per passenger with a head wind of 50 mph is .
(c) The cost per passenger with a tail wind of 100 mph is .
(d) The cost per passenger with a head wind of 100 mph is .
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