A local marketing company did a survey of 30 households to determine how many devices the household contained that family members watched video on (i. e. TV’s, tablets, smart phones, etcetera). The dot plot of the
responses is shown below.

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?