The table below shows the result of spinning a color spinner (purple-P, blue-B , white-W and green-G) in two different experiments.

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Me n o w. i need t h i s. 10 points

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?