Determine whether the relation is a function and then find the domain and range. {(412)}

What is the vertical asymptotes of the function f(x)=x-2/x*2-3x-4

For the equations below which statement is true ? -2x=14 6x=-42

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem