Fun zone offers four party packages. the prices for each package are $50 more on weekends than they are on weekdays, as shown in the table below. party package rates package number weekend or weekday price 1 weekend $160 1 weekday $110 2 weekend $180 2 weekday $130 3 weekend $230 3 weekday $180 4 weekend $300 4 weekday $250 answers: a) it is a function because there is a price given for every package. b) it is a function because weekend packages are always $50 more than weekday packages. c) it is not a function because each package number has two different prices. d) it is not a function because there are two different packages available for $180.