To biil customers for water usage, one city converts the number of gallons used into units. This relationship is represented by the equation g=748u, where g is the total number of gallons of water used and u is the number of units. Determine which statements about the relationship are true. Check all that apply.A.) g is the dependent variable.B.) u is the dependent variable. C.) u is the independent variable.D.) the variables cannot be labeled without a table of values.E.) the variables cannot be labeled since any value can be selected for either.