Rachel worked 2.5 hours on Monday, 3.5 hours on Tuesday, 2 hours on Thursday and 5 hours on Saturday. She is paid $10.66 per hour. How much money did Rachel earn that week? PLEASE I NEED HELP NO

Let x have probability generating function gx (s) and let un generating function u(s) of the sequence uo, u1, satisfies p(x > n). show that the (1- s)u(s) = 1 - gx(s), whenever the series defining these generating functions converge.