A bowling alley offers different birthday party packages package a is represented by the function Y equals 4X +50 where why is the total cost and X is the number of people package be represented by the table below the table says number of people won total cost nine dollars number of people to total cost $18 number of people three total cost $27 number of people for total cost $36 find the rates of change and the initial values for package a and B question to which would be the better deal for 12 people and how much money would be saved