QUESTIONS 11-13 REFER TO THE FOLLOWING TABLE. XOPERCENT CHANGE IN DOLL...

10. The operation denoted by the symbol is defined for(E) It cannot be determined from the information given.all real numbers p and r as follows.Since the only information given in the table is the percentp r pr prchange from year to year, there is no way to compare the dollaramount of sales for the stores in 1979 or in any other year. TheWhat is the value of (4) 5 ?best answer is (E).(A) 9