Note: Ifx is a real number, then lxl is te absolute value of X. If A is a finite set, then IAI refers to the cardinality of the set A Both uses of the 1 symbols are standard mathematical notation. Reset A. Select the element in fx) that corresponds to the circledx. B. Select the properties that describe onto not onto one-to- not one- to-one one -4 f(x #6 .7 Undo 4 Check Next