A wedding planner is preparing a wedding reception dinner and has determined that the overall cost will require $25 for each guest that attends and a maximum of 200 guests. This situation can be represented by c(x) = 25x, where x is the independent variable and represents the number of guest and c(x) is the dependent variable and represents the cost of the reception. Which correctly describes the DOMAIN of this situational function? The domain is a DISCRETE variable. The domain is a CONTINUOUS variable. The domain is a DEPENDENT variable. The domain is an INFINITE variable.