Irdk1
Irdk1
16.10.2020 • 
Mathematics

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.
cube root
B.
step
C.
piecewise
D.
square root

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