NEED HELP ASAP DEW TONIGHT

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)

Use the distance formula to find the distance between (-3,5) and (3,1)

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.