What is the domain of the step function f(x) = [2x] – 12{x} x2-1){x} x 1}{x} x is an integer)o xx is a real number)

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.