Which of the following statements about functions is incorrect? a. the domain is always all real numbers. b. each x-value corresponds to only one y-value. c. the range of a function is all the y-values output by the function. d. the same y-value can correspond to more than one x-value.

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

If a || b and e || f , what if the value of y ?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?