Is the domain of {-2, 1, 2, 3} and range of {2, 3} a function?

Which equation represents the line that passes through the points and (4, 10) and (2, 7)? y = 3/2x - 11y = 3/2x +4y = - 3/2x + 19y = - 3/2x + 16

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?