SOLUTION: An incoming airplane is x miles due north from the control tower at an airport. A second incoming airplane is y miles due east of the same control tower. The shortest distance betw

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Question 1102349: An incoming airplane is x miles due north from the control tower at an airport. A second incoming airplane is y miles due east of the same control tower. The shortest distance between the two airplanes is z miles.
Which of the following functions would best model the situation above?
a.)step
b.)piecewise
c.)cube root
d.)square root
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+x+=+sqrt%28+z%5E2+-+y%5E2+%29+
+y+=+sqrt%28+z%5E2+-+x%5E2+%29+
+z+=+sqrt%28+x%5E2+%2B+y%5E2+%29+
The answer is (D) square root