Answer: Set of all real numbers
The domain is the set of all real numbers because we can plug in any x value we want to get some y value. There is no worry about dividing by zero. We don't have to worry about taking the square root of a negative number. There are no restrictions for x.
2/3 of a number is greater than 66% of a number
Let the number of contestants is n and the prizes is r
the number of ways is npr = 335p3 = 37259370 ways
